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author | Jonathan Gray | 2003-07-28 01:44:38 +0000 |
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committer | Jonathan Gray | 2003-07-28 01:44:38 +0000 |
commit | f020d28b5e9297f93d5bedae62885b380c23f517 (patch) | |
tree | d6e7dfbfe61bfab365f101cb5b87224cb4ebde71 /sword2/build_display.cpp | |
parent | d592095fb942e961773e8177056d973eb1cff092 (diff) | |
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bs2
svn-id: r9211
Diffstat (limited to 'sword2/build_display.cpp')
-rw-r--r-- | sword2/build_display.cpp | 1255 |
1 files changed, 1255 insertions, 0 deletions
diff --git a/sword2/build_display.cpp b/sword2/build_display.cpp new file mode 100644 index 0000000000..600d0b19b7 --- /dev/null +++ b/sword2/build_display.cpp @@ -0,0 +1,1255 @@ +/* Copyright (C) 1994-2003 Revolution Software Ltd + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * $Header$ + */ + +//------------------------------------------------------------------------------------ +// BUILD_DISPLAY.CPP like the old spr_engi but slightly more aptly named +//------------------------------------------------------------------------------------ +//#include <mmsystem.h> +#include <stdarg.h> +#include <stdio.h> +#include <stdlib.h> +//#include <windows.h> +//#include <windowsx.h> + +#include "driver/driver96.h" +#include "build_display.h" +#include "console.h" +#include "debug.h" +#include "defs.h" +#include "events.h" +#include "function.h" +#include "header.h" +#include "interpreter.h" +#include "layers.h" +#include "logic.h" +#include "maketext.h" +#include "memory.h" +#include "mouse.h" +#include "object.h" +#include "protocol.h" +#include "resman.h" +#include "router.h" +#include "save_rest.h" +#include "scroll.h" +#include "sword2.h" + +//------------------------------------------------------------------------------------ + +buildit bgp0_list[MAX_bgp0_sprites]; +buildit bgp1_list[MAX_bgp1_sprites]; +buildit back_list[MAX_back_sprites]; +buildit sort_list[MAX_sort_sprites]; +buildit fore_list[MAX_fore_sprites]; +buildit fgp0_list[MAX_fgp0_sprites]; +buildit fgp1_list[MAX_fgp1_sprites]; + +uint16 sort_order[MAX_sort_sprites]; //holds the order of the sort list - i.e the list stays static and we sort this + +uint32 cur_bgp0; +uint32 cur_bgp1; +uint32 cur_back; +uint32 cur_sort; +uint32 cur_fore; +uint32 cur_fgp0; +uint32 cur_fgp1; + +#ifdef _DEBUG +uint32 largest_layer_area=0; // should be reset to zero at start of each screen change +uint32 largest_sprite_area=0; // - " - +char largest_layer_info[128] = {"largest layer: none registered"}; +char largest_sprite_info[128] = {"largest sprite: none registered"}; +#endif + +//------------------------------------------------------------------------------------ +// last palette used - so that we can restore the correct one after a pause (which dims the screen) +// - and it's not always the main screen palette that we want, eg. during the eclipse + +// This flag gets set in Start_new_palette() and SetFullPalette() + +uint32 lastPaletteRes=0; + +//------------------------------------------------------------------------------------ +// 'frames per second' counting stuff + +uint32 fps=0; +uint32 cycleTime=0; +uint32 frameCount=0; +extern uint32 mouse_status; // So I know if the control Panel can be activated - CJR 1-5-97 + +//------------------------------------------------------------------------------------ +// function prototypes not needed externally + +void Start_new_palette(void); //Tony25Sept96 + +void Register_frame(int32 *params, buildit *build_unit); // (1nov96JEL) +void Process_image(buildit *frame); +void Process_layer(uint32 layer_number); //Tony24Sept96 +void Sort_the_sort_list(void); //Tony18Sept96 + +void Send_back_par0_frames(void); //James23Jan97 +void Send_back_par1_frames(void); //James23Jan97 +void Send_back_frames(void); //Tony23Sept96 +void Send_sort_frames(void); +void Send_fore_frames(void); +void Send_fore_par0_frames(void); //James23Jan97 +void Send_fore_par1_frames(void); //James23Jan97 + + +//------------------------------------------------------------------------------------ +// +// PC Build_display +// +//------------------------------------------------------------------------------------ +void Build_display(void) //Tony21Sept96 +{ + BOOL end; + uint8 pal[12]={0,0,0,0,0,0,0,0,0,255,0,0}; + uint8 *file; + _multiScreenHeader *screenLayerTable; + +#ifdef _DEBUG // only used by console + _spriteInfo spriteInfo; + uint32 rv; // drivers error return value +#endif + + + + if ((!console_status)&&(this_screen.new_palette)) + { + Start_new_palette(); // start the layer palette fading up + + #ifdef _DEBUG // (James23jun97) + largest_layer_area=0; // should be reset to zero at start of each screen change + largest_sprite_area=0; // - " - + #endif + } + + + + if ((!console_status)&&(this_screen.background_layer_id)) // there is a valid screen to run + { + SetScrollTarget(this_screen.scroll_offset_x, this_screen.scroll_offset_y); // set the scroll position + + AnimateMouse(); // increment the mouse frame + + StartRenderCycle(); + + while (1) // START OF RENDER CYCLE + { + //---------------------------------------------------- + // clear the back buffer, before building up the new screen + // from the back forwards + + EraseBackBuffer(); + + //---------------------------------------------------- + // first background parallax + related anims + + file = res_man.Res_open(this_screen.background_layer_id); // open the screen resource + screenLayerTable = (_multiScreenHeader *) ((uint8 *) file + sizeof(_standardHeader)); + + if (screenLayerTable->bg_parallax[0]) + { + RenderParallax(FetchBackgroundParallaxLayer(file, 0), 0); + res_man.Res_close(this_screen.background_layer_id); // release the screen resource before cacheing the sprites + Send_back_par0_frames(); + } + else + res_man.Res_close(this_screen.background_layer_id); // release the screen resource + + //---------------------------------------------------- + // second background parallax + related anims + + file = res_man.Res_open(this_screen.background_layer_id); // open the screen resource + screenLayerTable = (_multiScreenHeader *) ((uint8 *) file + sizeof(_standardHeader)); + + if (screenLayerTable->bg_parallax[1]) + { + RenderParallax(FetchBackgroundParallaxLayer(file, 1), 1); + res_man.Res_close(this_screen.background_layer_id); // release the screen resource before cacheing the sprites + Send_back_par1_frames(); + } + else + res_man.Res_close(this_screen.background_layer_id); // release the screen resource + + //---------------------------------------------------- + // normal backround layer (just the one!) + + file = res_man.Res_open(this_screen.background_layer_id); // open the screen resource + RenderParallax(FetchBackgroundLayer(file), 2); + res_man.Res_close(this_screen.background_layer_id); // release the screen resource + + //---------------------------------------------------- + // sprites & layers + + Send_back_frames(); // background sprites + Sort_the_sort_list(); + Send_sort_frames(); // sorted sprites & layers + Send_fore_frames(); // foreground sprites + + //---------------------------------------------------- + // first foreground parallax + related anims + + file = res_man.Res_open(this_screen.background_layer_id); // open the screen resource + screenLayerTable = (_multiScreenHeader *) ((uint8 *) file + sizeof(_standardHeader)); + + if (screenLayerTable->fg_parallax[0]) + { + RenderParallax(FetchForegroundParallaxLayer(file, 0), 3); + res_man.Res_close(this_screen.background_layer_id); // release the screen resource before cacheing the sprites + Send_fore_par0_frames(); + } + else + res_man.Res_close(this_screen.background_layer_id); // release the screen resource + + //---------------------------------------------------- + // second foreground parallax + related anims + + file = res_man.Res_open(this_screen.background_layer_id); // open the screen resource + screenLayerTable = (_multiScreenHeader *) ((uint8 *) file + sizeof(_standardHeader)); + + if (screenLayerTable->fg_parallax[1]) + { + RenderParallax(FetchForegroundParallaxLayer(file, 1), 4); + res_man.Res_close(this_screen.background_layer_id); // release the screen resource before cacheing the sprites + Send_fore_par1_frames(); + } + else + res_man.Res_close(this_screen.background_layer_id); // release the screen resource + + //---------------------------------------------------- + // walkgrid, mouse & player markers & mouse area rectangle + + Draw_debug_graphics(); // JAMES (08apr97) + + //---------------------------------------------------- + // text blocks + + Print_text_blocs(); // speech blocks and headup debug text + + //---------------------------------------------------- + // menu bar & icons + + ProcessMenu(); + + //---------------------------------------------------- + // ready - blit to screen + + CopyScreenBuffer(); + FlipScreens(); + + //---------------------------------------------------- + // update our fps reading + + frameCount += 1; + if (timeGetTime() > cycleTime) + { + fps = frameCount; + frameCount = 0; + cycleTime = timeGetTime()+1000; + } + //---------------------------------------------------- + // check if we've got time to render the screen again this cycle + // (so drivers can smooth out the scrolling in between normal game cycles) + + EndRenderCycle(&end); + + if (end) // if we haven't got time to render again this cycle, drop out of 'render cycle' while-loop + break; + + if (ServiceWindows() == RDERR_APPCLOSED) // if the game is being shut down, drop out + break; + + //---------------------------------------------------- + } // END OF RENDER CYCLE + + + } +#ifdef _DEBUG + else if (console_status) + { + spriteInfo.x = 0; + spriteInfo.y = con_y; + spriteInfo.w = con_width; + spriteInfo.h = con_depth; + spriteInfo.scale = 0; + spriteInfo.scaledWidth = 0; + spriteInfo.scaledHeight = 0; + spriteInfo.type = RDSPR_DISPLAYALIGN+RDSPR_NOCOMPRESSION; // no compression! + spriteInfo.blend = 0; + spriteInfo.data = console_sprite->ad; + spriteInfo.colourTable = 0; + + + rv = DrawSprite( &spriteInfo ); + if (rv) + ExitWithReport("Driver Error %.8x (drawing console) [%s line %u]", rv, __FILE__, __LINE__); + + CopyScreenBuffer(); + FlipScreens(); + } + else + { + StartConsole(); + SetPalette(0, 3, pal, RDPAL_INSTANT); //force the palette + Print_to_console("no valid screen?"); + } +#endif // _DEBUG + +} + +//------------------------------------------------------------------------------------ +// +// Fades down and displays a message on the screen for time seconds +// +void DisplayMsg( uint8 *text, int time ) // Chris 15May97 +{ + mem *text_spr; + _frameHeader *frame; + _spriteInfo spriteInfo; + bool done = false; + _palEntry pal[256]; + _palEntry oldPal[256]; + int16 oldY; + int16 oldX; + uint32 rv; // drivers error return value + + warning("DisplayMsg: %s", (char *) text); + + + if (GetFadeStatus() != RDFADE_BLACK) + { + FadeDown((float) 0.75); + + do + { + //-------------------------------------------------- + // Service windows + while (!gotTheFocus) + if (ServiceWindows() == RDERR_APPCLOSED) + break; + + if (ServiceWindows() == RDERR_APPCLOSED) // if we pressed Ctrl-Q + { + Close_game(); //close engine systems down + RestoreDisplay(); + CloseAppWindow(); + exit(0); //quit the game + } + //-------------------------------------------------- + } + while(GetFadeStatus()==RDFADE_DOWN); + } + + Set_mouse(NULL); + Set_luggage(0); //tw28Aug + + EraseBackBuffer(); // for hardware rendering + EraseSoftwareScreenBuffer(); // for software rendering + + text_spr = MakeTextSprite( text, 640, 187, speech_font_id ); + + frame = (_frameHeader*) text_spr->ad; + + spriteInfo.x = screenWide/2 - frame->width/2; + if (!time) + spriteInfo.y = screenDeep/2 - frame->height/2 - RDMENU_MENUDEEP; + else + spriteInfo.y = 400 - frame->height; + spriteInfo.w = frame->width; + spriteInfo.h = frame->height; + spriteInfo.scale = 0; + spriteInfo.scaledWidth = 0; + spriteInfo.scaledHeight = 0; + spriteInfo.type = RDSPR_DISPLAYALIGN+RDSPR_NOCOMPRESSION+RDSPR_TRANS; + spriteInfo.blend = 0; + spriteInfo.data = text_spr->ad + sizeof(_frameHeader); + spriteInfo.colourTable = 0; + oldX = spriteInfo.x; + oldY = spriteInfo.y; + + + rv = DrawSprite( &spriteInfo ); + if (rv) + ExitWithReport("Driver Error %.8x (in DisplayMsg) [%s line %u]", rv, __FILE__, __LINE__); + + + + spriteInfo.x = oldX; + spriteInfo.y = oldY; + + memcpy((char *) oldPal, (char *) palCopy, 256*sizeof(_palEntry)); + + memset(pal, 0, 256*sizeof(_palEntry)); + pal[187].red = 255; + pal[187].green = 255; + pal[187].blue = 255; + SetPalette(0, 256, (uint8 *) pal, RDPAL_FADE); + + CopyScreenBuffer(); + FlipScreens(); + + FadeUp((float)0.75); + + Free_mem(text_spr); + + do + { + //-------------------------------------------------- + // Service windows + while (!gotTheFocus) + if (ServiceWindows() == RDERR_APPCLOSED) + break; + + if (ServiceWindows() == RDERR_APPCLOSED) // if we pressed Ctrl-Q + { + Close_game(); //close engine systems down + RestoreDisplay(); + CloseAppWindow(); + exit(0); //quit the game + } + //-------------------------------------------------- + } + while(GetFadeStatus()==RDFADE_UP); + + DWORD targetTime = timeGetTime() + (time*1000); + + while(timeGetTime() < targetTime) + { + //-------------------------------------------------- + // Service windows + while (!gotTheFocus) + if (ServiceWindows() == RDERR_APPCLOSED) + break; + + if (ServiceWindows() == RDERR_APPCLOSED) // if we pressed Ctrl-Q + { + Close_game(); //close engine systems down + RestoreDisplay(); + CloseAppWindow(); + exit(0); //quit the game + } + //-------------------------------------------------- + + EraseBackBuffer(); // for hardware rendering + EraseSoftwareScreenBuffer(); // for software rendering + + rv = DrawSprite( &spriteInfo ); // Keep the message there even when the user task swaps. + if (rv) + ExitWithReport("Driver Error %.8x (in DisplayMsg) [%s line %u]", rv, __FILE__, __LINE__); + + spriteInfo.y = oldY; // Drivers change the y co-ordinate, don't know why... + spriteInfo.x = oldX; + CopyScreenBuffer(); + FlipScreens(); + } + + SetPalette(0, 256, (uint8 *) oldPal, RDPAL_FADE); +} + +//------------------------------------------------------------------------------------ +// +// Fades message down and removes it, fading up again afterwards +// +void RemoveMsg( void ) // Chris 15May97 +{ + FadeDown((float)0.75); + + do + { + //-------------------------------------------------- + // Service windows + while (!gotTheFocus) + if (ServiceWindows() == RDERR_APPCLOSED) + break; + + if (ServiceWindows() == RDERR_APPCLOSED) // if we pressed Ctrl-Q + { + Close_game(); //close engine systems down + RestoreDisplay(); + CloseAppWindow(); + exit(0); //quit the game + } + //-------------------------------------------------- + } + while(GetFadeStatus()==RDFADE_DOWN); + + EraseBackBuffer(); // for hardware rendering + EraseSoftwareScreenBuffer(); // for software rendering + CopyScreenBuffer(); + FlipScreens(); + +// FadeUp((float)0.75); +// removed by JEL (08oct97) to prevent "eye" smacker corruption when restarting game from CD2 +// and also to prevent palette flicker when restoring game to a different CD +// - since the "insert CD" message uses this routine to clean up! + +} +//------------------------------------------------------------------------------------ +//------------------------------------------------------------------------------------ +void Send_back_par0_frames(void) //James23Jan97 +{ + uint32 j; + + for (j=0; j<cur_bgp0; j++) // could be none at all - theoretically at least + { + Process_image(&bgp0_list[j]); // frame attached to 1st background parallax + } +} +//------------------------------------------------------------------------------------ +void Send_back_par1_frames(void) //James23Jan97 +{ + uint32 j; + + for (j=0; j<cur_bgp1; j++) // could be none at all - theoretically at least + { + Process_image(&bgp1_list[j]); // frame attached to 1nd background parallax + } +} +//------------------------------------------------------------------------------------ +void Send_back_frames(void) //Tony23Sept96 +{ + uint32 j; + + for (j=0; j<cur_back; j++) // could be none at all - theoretically at least + { + Process_image(&back_list[j]); + } +} +//------------------------------------------------------------------------------------ +void Send_sort_frames(void) //Tony23Sept96 +{ + //send the sort frames for printing - layers, shrinkers & normal flat sprites + uint32 j; + + for (j=0; j<cur_sort; j++) // could be none at all - theoretically at least + { + if (sort_list[sort_order[j]].layer_number) //its a layer - minus 1 for true layer number + Process_layer(sort_list[sort_order[j]].layer_number-1); //we need to know from the buildit because the layers will have been sorted in random order + else + Process_image(&sort_list[sort_order[j]]); // sprite + } +} +//------------------------------------------------------------------------------------ +void Send_fore_frames(void) //Tony23Sept96 +{ + uint32 j; + + for (j=0; j<cur_fore; j++) // could be none at all - theoretically at least + { + Process_image(&fore_list[j]); + } +} +//------------------------------------------------------------------------------------ +void Send_fore_par0_frames(void) //James23Jan97 +{ + uint32 j; + + for (j=0; j<cur_fgp0; j++) // could be none at all - theoretically at least + { + Process_image(&fgp0_list[j]); // frame attached to 1st foreground parallax + } +} +//------------------------------------------------------------------------------------ +void Send_fore_par1_frames(void) //James23Jan97 +{ + uint32 j; + + for (j=0; j<cur_fgp1; j++) // could be none at all - theoretically at least + { + Process_image(&fgp1_list[j]); // frame attached to 2nd foreground parallax + } +} +//------------------------------------------------------------------------------------ +void Process_layer(uint32 layer_number) //Tony24Sept96 +{ + uint8 *file; + _layerHeader *layer_head; + _spriteInfo spriteInfo; + uint32 rv; + + #ifdef _DEBUG + uint32 current_layer_area=0; + #endif + + + file = res_man.Res_open(this_screen.background_layer_id); // file points to 1st byte in the layer file + + layer_head = FetchLayerHeader(file,layer_number); // point to layer header + + + spriteInfo.x = layer_head->x; + spriteInfo.y = layer_head->y; + spriteInfo.w = layer_head->width; + spriteInfo.scale = 0; + spriteInfo.scaledWidth = 0; + spriteInfo.scaledHeight = 0; + spriteInfo.h = layer_head->height; + spriteInfo.type = RDSPR_TRANS + RDSPR_RLE256FAST; + spriteInfo.blend = 0; + spriteInfo.data = file+sizeof(_standardHeader)+layer_head->offset; + spriteInfo.colourTable = 0; + + + //------------------------------------------ + // check for largest layer for debug info + #ifdef _DEBUG + current_layer_area = layer_head->width * layer_head->height; + + if (current_layer_area > largest_layer_area) + { + largest_layer_area = current_layer_area; + sprintf (largest_layer_info, "largest layer: %s layer(%d) is %dx%d", FetchObjectName(this_screen.background_layer_id), layer_number, layer_head->width, layer_head->height); + } + #endif + //------------------------------------------ + + rv = DrawSprite( &spriteInfo ); + if (rv) + ExitWithReport("Driver Error %.8x in Process_layer(%d) [%s line %u]", rv, layer_number, __FILE__, __LINE__); + + + res_man.Res_close(this_screen.background_layer_id); + +} +//------------------------------------------------------------------------------------ +void Process_image(buildit *build_unit) // (5nov96 JEL) +{ + uint8 *file, *colTablePtr=NULL; + _animHeader *anim_head; + _frameHeader *frame_head; + _cdtEntry *cdt_entry; + _spriteInfo spriteInfo; + uint32 spriteType; + uint32 rv; + + #ifdef _DEBUG + uint32 current_sprite_area=0; + #endif + + file = res_man.Res_open(build_unit->anim_resource); // open anim resource file & point to base + + anim_head = FetchAnimHeader( file ); + cdt_entry = FetchCdtEntry( file, build_unit->anim_pc ); + frame_head = FetchFrameHeader( file, build_unit->anim_pc ); + + + spriteType = RDSPR_TRANS; // so that 0-colour is transparent + + if (anim_head->blend) + spriteType += RDSPR_BLEND; + + if ((cdt_entry->frameType) & FRAME_FLIPPED) // if the frame is to be flipped (only really applicable to frames using offsets) + spriteType += RDSPR_FLIP; + + if ((cdt_entry->frameType) & FRAME_256_FAST) + { + if ((build_unit->scale)||(anim_head->blend)||(build_unit->shadingFlag)) // scaling, shading & blending don't work with RLE256FAST + spriteType += RDSPR_RLE256; // but the same compression can be decompressed using the RLE256 routines! + else + spriteType += RDSPR_RLE256FAST; + } + else + { + switch (anim_head->runTimeComp) // what compression was used? + { + case NONE: + spriteType += RDSPR_NOCOMPRESSION; + break; + case RLE256: + spriteType += RDSPR_RLE256; + break; + case RLE16: + spriteType += RDSPR_RLE16; + colTablePtr = (uint8*)(anim_head+1) + anim_head->noAnimFrames*sizeof(_cdtEntry); + // points to just after last cdt_entry, ie. start of colour table + break; + } + } + + if (build_unit->shadingFlag==1) // if we want this frame to be affected by the shading mask + spriteType += RDSPR_SHADOW; // add the status bit + + spriteInfo.x = build_unit->x; + spriteInfo.y = build_unit->y; + spriteInfo.w = frame_head->width; + spriteInfo.h = frame_head->height; + spriteInfo.scale = build_unit->scale; + spriteInfo.scaledWidth = build_unit->scaled_width; + spriteInfo.scaledHeight = build_unit->scaled_height; + spriteInfo.type = spriteType; + spriteInfo.blend = anim_head->blend; + spriteInfo.data = (uint8*)(frame_head+1); // points to just after frame header, ie. start of sprite data + spriteInfo.colourTable = colTablePtr; + + + //------------------------------------------ + // check for largest layer for debug info + #ifdef _DEBUG + current_sprite_area = frame_head->width * frame_head->height; + + if (current_sprite_area > largest_sprite_area) + { + largest_sprite_area = current_sprite_area; + sprintf (largest_sprite_info, "largest sprite: %s frame(%d) is %dx%d", FetchObjectName(build_unit->anim_resource), build_unit->anim_pc, frame_head->width, frame_head->height); + } + #endif + //------------------------------------------ + + + //----------------------------------------------------------- + #ifdef _DEBUG + if (SYSTEM_TESTING_ANIMS) // see anims.cpp + { + if ((spriteInfo.x + spriteInfo.scaledWidth) >= 639) // bring the anim into the visible screen + spriteInfo.x = 639-spriteInfo.scaledWidth; // but leave extra pixel at edge for box + + if ((spriteInfo.y + spriteInfo.scaledHeight) >= 399) + spriteInfo.y = 399-spriteInfo.scaledHeight; + + if (spriteInfo.x < 1) + spriteInfo.x = 1; + + if (spriteInfo.y < 1) + spriteInfo.y = 1; + + rect_x1 = spriteInfo.x - 1; // create box to surround sprite - just outside sprite box + rect_y1 = spriteInfo.y - 1; + rect_x2 = spriteInfo.x + spriteInfo.scaledWidth; + rect_y2 = spriteInfo.y + spriteInfo.scaledHeight; + } + #endif + //----------------------------------------------------------- + + //-------------------------------------------------- +// #ifdef _DEBUG +// if (frame_head->width <= 1) +// { +// Zdebug(8,"WARNING: 1-pixel-wide frame found in %s (%d)", FetchObjectName(build_unit->anim_resource), build_unit->anim_resource); +// } +// #endif + //-------------------------------------------------- + + rv = DrawSprite( &spriteInfo ); + if (rv) + ExitWithReport("Driver Error %.8x with sprite %s (%d) in Process_image [%s line %u]", rv, FetchObjectName(build_unit->anim_resource), build_unit->anim_resource, __FILE__, __LINE__); + + + res_man.Res_close(build_unit->anim_resource); // release the anim resource + +} +//------------------------------------------------------------------------------------ +void Reset_render_lists(void) //Tony18Sept96 +{ +//reset the sort lists - do this before a logic loop +//takes into account the fact that the start of the list is pre-built with the special sortable layers + + uint32 j; + + cur_bgp0=0; + cur_bgp1=0; + cur_back=0; + cur_sort=this_screen.number_of_layers; //beginning of sort list is setup with the special sort layers + cur_fore=0; + cur_fgp0=0; + cur_fgp1=0; + + + if (cur_sort) //there are some layers - so rebuild the sort order positioning + for (j=0;j<cur_sort;j++) + sort_order[j]=j; //rebuild the order list +} +//------------------------------------------------------------------------------------ +void Sort_the_sort_list(void) //Tony18Sept96 +{ +//sort the list + + uint16 i,j,swap; + + +//sort the list + + if (cur_sort>1) //cannot bubble sort 0 or 1 items! + for (i=0; i<cur_sort-1; i++) + for (j=0; j<cur_sort-1; j++) + if (sort_list[sort_order[j]].sort_y > sort_list[sort_order[j+1]].sort_y) //this > next then swap + { swap=sort_order[j]; + sort_order[j]=sort_order[j+1]; + sort_order[j+1]=swap; + } +} +//------------------------------------------------------------------------------------ +void Register_frame(int32 *params, buildit *build_unit) // (1nov96JEL) +{ + // params: 0 pointer to mouse structure or NULL for no write to mouse list (non-zero means write sprite-shape to mouse list) + // 1 pointer to graphic structure + // 2 pointer to mega structure + + Object_mega *ob_mega; + Object_graphic *ob_graph; + Object_mouse *ob_mouse; + uint8 *file; + _frameHeader *frame_head; + _animHeader *anim_head; + _cdtEntry *cdt_entry; + int scale=0; + + + //------------------------------------------- + // open animation file & set up the necessary pointers + + ob_graph = (Object_graphic *) params[1]; + + #ifdef _DEBUG + if (ob_graph->anim_resource == 0) + Con_fatal_error("ERROR: %s(%d) has no anim resource in Register_frame [line=%d file=%s]", FetchObjectName(ID), ID, __LINE__, __FILE__); + #endif + + file = res_man.Res_open(ob_graph->anim_resource); + + anim_head = FetchAnimHeader( file ); + cdt_entry = FetchCdtEntry( file, ob_graph->anim_pc ); + frame_head = FetchFrameHeader( file, ob_graph->anim_pc ); + + + #ifdef _DEBUG + if (ID == CUR_PLAYER_ID) // update player graphic details for on-screen debug info + { + playerGraphic.type = ob_graph->type; + playerGraphic.anim_resource = ob_graph->anim_resource; + playerGraphic.anim_pc = ob_graph->anim_pc+1; // counting 1st frame as 'frame 1' + player_graphic_no_frames = anim_head->noAnimFrames; + } + #endif + + //------------------------------------------- + // fill in the buildit structure for this frame + + build_unit->anim_resource = ob_graph->anim_resource; //retrieve the resource + build_unit->anim_pc = ob_graph->anim_pc; //retrieve the frame + build_unit->layer_number = 0; //not a layer + + if (ob_graph->type & SHADED_SPRITE) + build_unit->shadingFlag = 1; // affected by shading mask + else + build_unit->shadingFlag = 0; // not shaded + + //------------------------------------------- + // check if this frame has offsets ie. this is a scalable mega frame + if ((cdt_entry->frameType) & FRAME_OFFSET) + { + ob_mega = (Object_mega *) params[2]; // param 2 is pointer to mega structure + + // calc scale at which to print the sprite, based on feet y-coord & scaling constants (NB. 'scale' is actually 256*true_scale, to maintain accuracy) + scale = (ob_mega->scale_a * ob_mega->feet_y + ob_mega->scale_b)/256; // Ay+B gives 256*scale ie. 256*256*true_scale for even better accuracy, ie. scale = (Ay+B)/256 + // calc final render coordinates (top-left of sprite), based on feet coords & scaled offsets + build_unit->x = ob_mega->feet_x + (cdt_entry->x * scale)/256; // add scaled offsets to feet coords + build_unit->y = ob_mega->feet_y + (cdt_entry->y * scale)/256; + + // work out new width and height + build_unit->scaled_width = ((scale * frame_head->width) / 256); // always divide by 256 after everything else, to maintain accurary + build_unit->scaled_height = ((scale * frame_head->height) / 256); + } + else // it's a non-scaling anim + { + // get render coords for sprite, from cdt + build_unit->x = cdt_entry->x; //retrieve the x + build_unit->y = cdt_entry->y; //retrieve the y + + // get width and height + build_unit->scaled_width = frame_head->width; + build_unit->scaled_height = frame_head->height; + } + //------------------------------------------- + + build_unit->scale = scale; // either 0 or required scale, depending on whether 'scale' computed + + // calc the bottom y-coord for sorting purposes + build_unit->sort_y = build_unit->y + build_unit->scaled_height - 1; + //------------------------------------------- + + if (params[0]) // passed a mouse structure, so add to the mouse_list + { + ob_mouse = (Object_mouse *) params[0]; + + if (ob_mouse->pointer) // only if 'pointer' isn't NULL (James13feb97) + { + #ifdef _DEBUG + if (cur_mouse==TOTAL_mouse_list) + Con_fatal_error("ERROR: mouse_list full [%s line %u]",__FILE__,__LINE__); + #endif + + mouse_list[cur_mouse].x1 = build_unit->x; + mouse_list[cur_mouse].y1 = build_unit->y; + mouse_list[cur_mouse].x2 = build_unit->x + build_unit->scaled_width; + mouse_list[cur_mouse].y2 = build_unit->y + build_unit->scaled_height; + + mouse_list[cur_mouse].priority = ob_mouse->priority; + mouse_list[cur_mouse].pointer = ob_mouse->pointer; + + //----------------------------------------------- + // (James17jun97) + // check if pointer text field is set due to previous object using this slot (ie. not correct for this one) + if ((mouse_list[cur_mouse].pointer_text) && (mouse_list[cur_mouse].id != (int32)ID)) // if 'pointer_text' field is set, but the 'id' field isn't same is current id + mouse_list[cur_mouse].pointer_text=0; // then we don't want this "left over" pointer text + //----------------------------------------------- + + + mouse_list[cur_mouse].id = ID; + + mouse_list[cur_mouse].anim_resource = 0; // not using sprite as detection mask + mouse_list[cur_mouse].anim_pc = 0; + + cur_mouse++; + } + } + //------------------------------------------- + + res_man.Res_close(ob_graph->anim_resource); // close animation file +} +//------------------------------------------------------------------------------------ + +int32 FN_register_frame(int32 *params) // (27nov96 JEL) +{ + //this call would be made from an objects service script 0 + + // params: 0 pointer to mouse structure or NULL for no write to mouse list (non-zero means write sprite-shape to mouse list) + // 1 pointer to graphic structure + // 2 pointer to mega structure or NULL if not a mega + + Object_graphic *ob_graph = (Object_graphic *) params[1]; + + + switch (ob_graph->type & 0x0000ffff) // check low word for sprite type + { + //--------------- + case BGP0_SPRITE: + { + #ifdef _DEBUG + if (cur_bgp0==MAX_bgp0_sprites) + Con_fatal_error("ERROR: bgp0_list full in FN_register_frame [line=%d file=%s]",__LINE__,__FILE__); + #endif + + Register_frame(params, &bgp0_list[cur_bgp0]); + cur_bgp0++; + } + break; + //--------------- + case BGP1_SPRITE: + { + #ifdef _DEBUG + if (cur_bgp1==MAX_bgp1_sprites) + Con_fatal_error("ERROR: bgp1_list full in FN_register_frame [line=%d file=%s]",__LINE__,__FILE__); + #endif + + Register_frame(params, &bgp1_list[cur_bgp1]); + cur_bgp1++; + } + break; + //--------------- + case BACK_SPRITE: + { + #ifdef _DEBUG + if (cur_back==MAX_back_sprites) + Con_fatal_error("ERROR: back_list full in FN_register_frame [line=%d file=%s]",__LINE__,__FILE__); + #endif + + Register_frame(params, &back_list[cur_back]); + cur_back++; + } + break; + //--------------- + case SORT_SPRITE: + { + #ifdef _DEBUG + if (cur_sort==MAX_sort_sprites) + Con_fatal_error("ERROR: sort_list full in FN_register_frame [line=%d file=%s]",__LINE__,__FILE__); + #endif + + sort_order[cur_sort]=cur_sort; + + Register_frame(params, &sort_list[cur_sort]); + cur_sort++; + } + break; + //--------------- + case FORE_SPRITE: + { + #ifdef _DEBUG + if (cur_fore==MAX_fore_sprites) + Con_fatal_error("ERROR: fore_list full in FN_register_frame [line=%d file=%s]",__LINE__,__FILE__); + #endif + + Register_frame(params, &fore_list[cur_fore]); + cur_fore++; + } + break; + //--------------- + case FGP0_SPRITE: + { + #ifdef _DEBUG + if (cur_fgp0==MAX_fgp0_sprites) + Con_fatal_error("ERROR: fgp0_list full in FN_register_frame [line=%d file=%s]",__LINE__,__FILE__); + #endif + + Register_frame(params, &fgp0_list[cur_fgp0]); + cur_fgp0++; + } + break; + //--------------- + case FGP1_SPRITE: + { + #ifdef _DEBUG + if (cur_fgp1==MAX_fgp1_sprites) + Con_fatal_error("ERROR: fgp1_list full in FN_register_frame [line=%d file=%s]",__LINE__,__FILE__); + #endif + + Register_frame(params, &fgp1_list[cur_fgp1]); + cur_fgp1++; + } + break; + //--------------- + // NO_SPRITE no registering! + } + + + return(IR_CONT); +} +//------------------------------------------------------------------------------------ +void Start_new_palette(void) //Tony25Sept96 +{ + //start layer palette fading up + uint8 black[4]={0,0,0,0}; + + uint8 *screenFile; + + //if the screen is still fading down then wait for black - could happen when everythings cached into a large memory model + do + { + ServiceWindows(); + } + while(GetFadeStatus()==RDFADE_DOWN); + + + screenFile = res_man.Res_open(this_screen.background_layer_id); // open the screen file + + UpdatePaletteMatchTable((uint8 *) FetchPaletteMatchTable(screenFile)); + + SetPalette(0, 256, FetchPalette(screenFile), RDPAL_FADE); + lastPaletteRes=0; // indicating that it's a screen palette + + res_man.Res_close(this_screen.background_layer_id); // close screen file + + //FadeUp((float)1.75); // start fade up + FadeUp((float)0.75); // start fade up + + this_screen.new_palette=0; // reset +} +//------------------------------------------------------------------------------------ +int32 FN_update_player_stats(int32 *params) //Tony28Nov96 +{ +//engine needs to know certain info about the player + + + Object_mega *ob_mega = (Object_mega *) params[0]; + + + + + this_screen.player_feet_x = ob_mega->feet_x; + this_screen.player_feet_y = ob_mega->feet_y; + + PLAYER_FEET_X=ob_mega->feet_x; //for the script + PLAYER_FEET_Y=ob_mega->feet_y; + PLAYER_CUR_DIR=ob_mega->current_dir; + + SCROLL_OFFSET_X=this_screen.scroll_offset_x; + + //Zdebug(42,"%d %d", ob_mega->feet_x, ob_mega->feet_y); + + return(IR_CONT); +} +//------------------------------------------------------------------------------------ +int32 FN_fade_down(int32 *params) //Tony5Dec96 +{ + + if (GetFadeStatus()==RDFADE_NONE) //NONE means up! can only be called when screen is fully faded up - multiple calls wont have strange effects + { + FadeDown((float)0.75); + + return(IR_CONT); + } + + return(IR_CONT); +} + +int32 FN_fade_up(int32 *params) //Chris 15May97 +{ + do + { + ServiceWindows(); + } + while(GetFadeStatus()==RDFADE_DOWN); + + if (GetFadeStatus()==RDFADE_BLACK) + { + FadeUp((float)0.75); + + return(IR_CONT); + } + + return(IR_CONT); +} +//------------------------------------------------------------------------------------ +// typedef struct +// { +// uint8 red; +// uint8 green; +// uint8 blue; +// uint8 alpha; +// } _palEntry; + +//------------------------------------------------------------ +// typedef struct +// { +// uint8 firstEntry; // first colour number in this palette (0..255) +// uint8 noEntries; // number of Entries-1 (0..255) to be taken as (1..256) +// } _paletteHeader; + +//------------------------------------------------------------ +int32 FN_set_palette(int32 *params) // James05jun97 +{ + SetFullPalette(params[0]); + + return(IR_CONT); +} +//------------------------------------------------------------ +void SetFullPalette(int32 palRes) // James17jun97 +{ + // params 0 resource number of palette file + // or 0 if it's to be the palette from the current screen + + uint8 black[4]={0,0,0,0}; + uint8 *file; + _standardHeader *head; + + + //---------------------------------- + // fudge for hut interior + // - unpausing should restore last palette as normal (could be screen palette or 'dark_palette_13') + // - but restoring the screen palette after 'dark_plaette_13' should now work properly too! + if (LOCATION==13) // hut interior + { + if (palRes==0xffffffff) // unpausing + palRes = lastPaletteRes; // restore whatever palette was last set (screen palette or 'dark_palette_13') + } + else + { + // (James 03sep97) + // check if we're just restoring the current screen palette + // because we might actually need to use a separate palette file anyway + // eg. for pausing & unpausing during the eclipse + + if (palRes==0xffffffff) // unpausing (fudged for location 13) + palRes=0; // we really meant '0' + + if ((palRes==0) && (lastPaletteRes)) + palRes = lastPaletteRes; + } + //---------------------------------- + + + if (palRes) // non-zero: set palette to this separate palette file + { + head = (_standardHeader*)res_man.Res_open(palRes); // open the palette file + + #ifdef _DEBUG + if (head->fileType != PALETTE_FILE) + Con_fatal_error("FN_set_palette() called with invalid resource! (%s line %u)",__FILE__,__LINE__); + #endif + + file = (uint8*)(head+1); + + file[0] = 0; // always set colour 0 to black + file[1] = 0; // because most background screen palettes have a bright colour 0 + file[2] = 0; // although it should come out as black in the game! + file[3] = 0; + +// UpdatePaletteMatchTable(file+(256*4)); // not yet in separate palette files + + SetPalette(0, 256, file, RDPAL_INSTANT); + + if (palRes != CONTROL_PANEL_PALETTE) // (James 03sep97) + lastPaletteRes=palRes; // indicating that it's a separate palette resource + + + res_man.Res_close(palRes); // close palette file + } + else // 0: set palette to current screen palette + { + if (this_screen.background_layer_id) + { + file = res_man.Res_open(this_screen.background_layer_id); // open the screen file + + UpdatePaletteMatchTable((uint8 *) FetchPaletteMatchTable(file)); + + SetPalette(0, 256, FetchPalette(file), RDPAL_INSTANT); + lastPaletteRes=0; // indicating that it's a screen palette + + res_man.Res_close(this_screen.background_layer_id); // close screen file + } + else + Con_fatal_error("FN_set_palette(0) called, but no current screen available! (%s line %u)",__FILE__,__LINE__); + } +} +//------------------------------------------------------------ + +int32 FN_restore_game(int32 *params) +{ + + return (IR_CONT); +} + +//------------------------------------------------------------ + +int32 FN_change_shadows(int *params) +{ + uint32 rv; + + if (this_screen.mask_flag) // if last screen was using a shading mask (see below) (James 08apr97) + { + rv = CloseLightMask(); + + if (rv) + ExitWithReport("Driver Error %.8x [%s line %u]", rv, __FILE__, __LINE__); + + this_screen.mask_flag = 0; + } + + return (IR_CONT); +} + + +//------------------------------------------------------------------------------------ +//------------------------------------------------------------------------------------ +//------------------------------------------------------------------------------------ +//------------------------------------------------------------------------------------ +//------------------------------------------------------------------------------------ +//------------------------------------------------------------------------------------ + |