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|
/* ScummVM - Scumm Interpreter
* Copyright (C) 2006 The ScummVM project
*
* cinE Engine is (C) 2004-2005 by CinE Team
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#include "common/file.h"
#include "cruise/cruise_main.h"
namespace Cruise {
// (old: fontProc1(int16 param, uint8* ptr1, uint8* ptr2))
int32 getLineHeight(int16 charCount, uint8 * fontPtr, uint8 * fontPrt_Desc) {
uint8 *dest;
int32 highestChar = 0;
int32 i;
if (!charCount) {
return (0);
}
dest = fontPrt_Desc + 6; // fontPtr + 20 // char height
for (i = 0; i < charCount; i++) {
if ((*(int16 *) dest) > highestChar) {
highestChar = *(int16 *) dest;
}
dest += 12;
}
return highestChar;
}
// this function determins how many lines the text will have (old: fontProc2(int32 param1, int32 param2, uint8* ptr, uint8* string))
int32 getTextLineCount(int32 rightBorder_X, int32 wordSpacingWidth,
uint8 *ptr, uint8 *textString) {
uint8 *localString = textString;
uint8 *currentStringPtr;
uint8 character;
int32 var_6 = 0;
int32 lineLength = 0;
uint8 *tempPtr = 0;
if (!*localString) {
return (0);
}
currentStringPtr = localString;
character = *localString;
do {
int32 charData = fontCharacterTable[character];
if (character == '|') {
lineLength = rightBorder_X;
localString = tempPtr;
} else {
if (charData >= 0) { // + 0xA jump to last 2 bytes of the 12 bytes slice = letter width
lineLength +=
wordSpacingWidth + *(int16 *) (ptr + 0xA +
charData * 12);
} else {
if (character == ' ') {
lineLength += wordSpacingWidth + 5;
localString = currentStringPtr;
}
}
}
tempPtr = currentStringPtr;
if (rightBorder_X <= lineLength) {
var_6 += rightBorder_X;
currentStringPtr = localString;
tempPtr = localString;
lineLength = 0;
}
character = *(tempPtr++);
currentStringPtr = tempPtr;
} while (character);
if (lineLength == 0) {
return (var_6 / rightBorder_X);
} else {
return ((var_6 + rightBorder_X) / rightBorder_X);
}
}
void loadFNT(const void *fileNameChar) {
uint8 header[6];
int32 fontSize;
int32 data2;
uint8 data3[6];
uint8 *fileName = (uint8 *) fileNameChar;
_systemFNT = NULL;
Common::File fontFileHandle;
if (!fontFileHandle.exists((char *)fileName)) {
return;
}
fontFileHandle.open((char *)fileName);
fontFileHandle.read(header, 4);
if (strcmpuint8(header, "FNT") == 0) {
fontFileHandle.read(&fontSize, 4);
flipLong(&fontSize);
fontFileHandle.read(&data2, 4);
flipLong(&data2);
fontFileHandle.read(data3, 6); // may need an endian flip ?
flipGen(&data3, 6);
_systemFNT = (uint8 *) mallocAndZero(fontSize);
if (_systemFNT != NULL) {
int32 i;
uint8 *currentPtr;
fontFileHandle.seek(0);
fontFileHandle.read(header, 4); // not really require, we could fseek to 4
fontFileHandle.read(_systemFNT, fontSize);
flipLong((int32 *) _systemFNT);
flipLong((int32 *) (_systemFNT + 4));
flipGen(_systemFNT + 8, 6);
currentPtr = _systemFNT + 14;
for (i = 0; i < *(int16 *) (_systemFNT + 8); i++) {
flipLong((int32 *) currentPtr);
currentPtr += 4;
flipGen(currentPtr, 8);
currentPtr += 8;
}
}
}
fontFileHandle.close();
}
void loadSystemFont(void) {
int32 i;
video2 = 15;
video4 = 9;
video3 = 13;
colorOfSelectedSaveDrive = 10;
for (i = 0; i < 64; i++) {
mediumVar[i].ptr = 0;
mediumVar[i].field_1C = 0;
}
initVar1 = 0;
main5 = 0;
var22 = 0;
initVar2 = 0;
initVar3 = 0;
currentActiveBackgroundPlane = 0;
//changeCursor();
initVar4[0] = 0;
loadFNT("system.fnt");
}
void flipShort(int16 *var) {
uint8 *varPtr = (uint8 *) var;
uint8 temp = varPtr[0];
varPtr[0] = varPtr[1];
varPtr[1] = temp;
}
void flipShort(uint16 *var) {
uint8 *varPtr = (uint8 *) var;
uint8 temp = varPtr[0];
varPtr[0] = varPtr[1];
varPtr[1] = temp;
}
void flipLong(int32 *var) {
char swap1;
char swap2;
char *varPtr = (char *)var;
swap1 = varPtr[0];
varPtr[0] = varPtr[3];
varPtr[3] = swap1;
swap2 = varPtr[1];
varPtr[1] = varPtr[2];
varPtr[2] = swap2;
}
void flipLong(uint32 *var) {
char swap1;
char swap2;
char *varPtr = (char *)var;
swap1 = varPtr[0];
varPtr[0] = varPtr[3];
varPtr[3] = swap1;
swap2 = varPtr[1];
varPtr[1] = varPtr[2];
varPtr[2] = swap2;
}
void flipGen(void *var, int32 length) {
int i;
short int *varPtr = (int16 *) var;
for (i = 0; i < (length / 2); i++) {
flipShort(&varPtr[i]);
}
}
void renderWord(uint8 * fontPtr_Data, uint8 * outBufferPtr,
int32 drawPosPixel_X, int32 heightOff, int32 height, int32 param4,
int32 stringRenderBufferSize, int32 width, int32 charWidth) {
int i;
int j;
uint8 *fontPtr_Data2 = fontPtr_Data + height * 2;
outBufferPtr += heightOff * width * 2; // param2 = height , param6 = width
outBufferPtr += drawPosPixel_X; // param1 = drawPosPixel_X
for (i = 0; i < height; i++) // y++
{
uint16 currentColor1 =
(*(fontPtr_Data) << 8) | *(fontPtr_Data + 1);
uint16 currentColor2 =
(*(fontPtr_Data2) << 8) | *(fontPtr_Data2 + 1);
fontPtr_Data += 2;
fontPtr_Data2 += 2;
for (j = 0; j < charWidth; j++) {
*outBufferPtr =
((currentColor1 >> 15) & 1) | ((currentColor2 >>
14) & 2);
outBufferPtr++;
currentColor1 <<= 1;
currentColor2 <<= 1;
}
outBufferPtr += (width * 2) - charWidth;
}
}
// returns character count and pixel size (via pointer) per line of the string (old: prepareWordRender(int32 param, int32 var1, int16* out2, uint8* ptr3, uint8* string))
int32 prepareWordRender(int32 inRightBorder_X, int32 wordSpacingWidth,
int16 * strPixelLength, uint8 * ptr3, uint8 * textString) {
uint8 *localString = textString;
int32 counter = 0;
int32 finish = 0;
int32 temp_pc = 0; // var_A // temporary pixel count save
int32 temp_cc = 0; // var_C // temporary char count save
int32 pixelCount = 0; // si
do {
uint8 character = *(localString++);
int16 charData = fontCharacterTable[character];
if (character == ' ') {
temp_cc = counter;
temp_pc = pixelCount;
if (pixelCount + wordSpacingWidth + 5 >=
inRightBorder_X) {
finish = 1;
} else {
pixelCount += wordSpacingWidth + 5;
}
} else {
if (character == '|' || !character) {
finish = 1;
} else {
if (charData) {
if (pixelCount + wordSpacingWidth +
*(int16 *) ((ptr3 +
charData * 12) + 0xA) >=
inRightBorder_X) {
finish = 1;
if (temp_pc) {
pixelCount = temp_pc;
counter = temp_cc;
}
} else {
pixelCount +=
wordSpacingWidth +
*(int16 *) ((ptr3 +
charData * 12) + 0xA);
}
}
}
}
counter++;
} while (!finish);
*strPixelLength = (int16) pixelCount;
return counter;
}
void drawString(int32 x, int32 y, uint8 *string, uint8 *buffer, uint8 color,
int32 inRightBorder_X) {
uint8 *fontPtr;
uint8 *fontPtr_Data; // ptr2
uint8 *fontPtr_Desc; // ptr3
int32 wordSpacingWidth; // var1
int32 wordSpacingHeight; // var2
int32 rightBorder_X; // param2
int32 lineHeight; // fontProc1result
int32 numLines;
int32 stringHeight;
int32 stringFinished;
int32 stringWidth; // var_1C
int32 stringRenderBufferSize;
int32 useDynamicBuffer;
uint8 *currentStrRenderBuffer;
// int32 var_8; // don't need that on
int32 heightOffset; // var_12
int32 renderBufferSize; // var_1E
int needFlip;
if (!buffer || !string) {
return;
}
if (fontFileIndex != -1) {
fontPtr = filesDatabase[fontFileIndex].subData.ptr;
if (!fontPtr) {
fontPtr = _systemFNT;
}
} else {
fontPtr = _systemFNT;
}
if (!fontPtr) {
return;
}
fontPtr_Data = fontPtr + *(int16 *) (fontPtr + 4);
fontPtr_Desc = fontPtr + 14;
lineHeight = getLineHeight(*(int16 *) (fontPtr + 8), fontPtr, fontPtr_Desc); // ok
wordSpacingWidth = *(int16 *) (fontPtr + 10);
wordSpacingHeight = *(int16 *) (fontPtr + 12);
if (inRightBorder_X > 310) {
rightBorder_X = 310;
} else {
rightBorder_X = inRightBorder_X;
}
if (x + rightBorder_X > 319) {
x = 319 - rightBorder_X;
}
if (y < 0) {
y = 0;
}
if (x < 0) {
x = 0;
}
numLines = getTextLineCount(rightBorder_X, wordSpacingWidth, fontPtr_Desc, string); // ok
if (!numLines) {
return;
}
stringHeight = ((wordSpacingHeight + lineHeight + 2) * numLines) + 1;
if (y + stringHeight > 199) {
y = 200 - stringHeight;
}
stringFinished = 0;
stringWidth = (rightBorder_X / 16) + 2;
stringRenderBufferSize = stringWidth * stringHeight * 4;
inRightBorder_X = rightBorder_X;
if (stringRenderBufferSize > 0x2000) {
currentStrRenderBuffer =
(uint8 *) mallocAndZero(stringRenderBufferSize);
if (!currentStrRenderBuffer) {
return;
}
useDynamicBuffer = 1;
} else {
currentStrRenderBuffer = (uint8 *) ptr_something;
useDynamicBuffer = 0;
}
resetRaster(currentStrRenderBuffer, stringRenderBufferSize);
// var_8 = 0;
heightOffset = 0;
renderBufferSize = stringRenderBufferSize;
do {
int spacesCount = 0; // si
char character = *(string);
short int strPixelLength; // var_16;
uint8 *ptrStringEnd; // var_4 //ok
int drawPosPixel_X; // di
while (character == ' ') {
spacesCount++;
character = *(string + spacesCount);
}
string += spacesCount;
ptrStringEnd = string + prepareWordRender(inRightBorder_X, wordSpacingWidth, &strPixelLength, fontPtr_Desc, string); //ok
if (inRightBorder_X > strPixelLength) {
drawPosPixel_X =
(inRightBorder_X - strPixelLength) / 2;
} else {
drawPosPixel_X = 0;
}
// drawPosPixel_X = var_8;
do {
character = *(string++);
short int data = fontCharacterTable[(int)character];
if (character) {
if (character == ' ' || character == 0x7D) {
drawPosPixel_X += var1 + 5;
} else {
if (data) {
short int *si =
(int16 *) (fontPtr_Desc +
data * 12);
//int var_2 = si[5];
renderWord(fontPtr_Data +
si[0],
currentStrRenderBuffer,
drawPosPixel_X,
si[4] - si[3] +
lineHeight + heightOffset,
si[3], si[2],
renderBufferSize / 2,
stringWidth * 2, si[5]);
drawPosPixel_X +=
wordSpacingWidth + si[5];
}
}
} else {
stringFinished = 1;
}
if (ptrStringEnd <= string) {
break;
}
} while (!stringFinished);
// var_8 = 0;
heightOffset = wordSpacingHeight + lineHeight;
} while (!stringFinished);
needFlip = 0;
if (buffer == gfxModuleData.pPage00) {
if (gfxModuleData.field_1 != 0) {
needFlip = 1;
gfxModuleData_field_90();
}
gfxModuleData_gfxWaitVSync();
}
gfxModuleData_field_64((char *)currentStrRenderBuffer, stringWidth,
stringHeight, (char *)buffer, x, y, 0);
gfxModuleData_field_64((char *)currentStrRenderBuffer, stringWidth,
stringHeight, (char *)buffer, x, y, color);
if (needFlip) {
gfxModuleData_flip();
}
if (useDynamicBuffer) {
free(currentStrRenderBuffer);
}
}
// calculates all necessary datas and renders text
gfxEntryStruct *renderText(int inRightBorder_X, uint8 *string) {
uint8 *fontPtr;
uint8 *fontPtr_Data; // pt2
uint8 *fontPtr_Desc; // ptr3
int32 wordSpacingWidth; // var1 //0 or -1
int32 wordSpacingHeight; // var2 //0 or -1
int32 rightBorder_X;
int32 lineHeight; // fontProc1result
int32 numLines;
int32 stringHeight;
int32 stringFinished;
int32 stringWidth; // var_1C
int32 stringRenderBufferSize;
// int32 useDynamicBuffer;
uint8 *currentStrRenderBuffer;
// int32 var_8; // don't need that one
int32 heightOffset; // var_12 // how much pixel-lines have already been drawn
// int32 var_1E;
gfxEntryStruct *generatedGfxEntry;
// check if string is empty
if (!string) {
return NULL;
}
// check if font has been loaded, else get system font
if (fontFileIndex != -1) {
fontPtr = filesDatabase[fontFileIndex].subData.ptr;
if (!fontPtr) {
fontPtr = _systemFNT;
}
} else {
fontPtr = _systemFNT;
}
if (!fontPtr) {
return NULL;
}
fontPtr_Data = fontPtr + *(int16 *) (fontPtr + 4); // offset to char data
fontPtr_Desc = fontPtr + 14; // offset to char description
lineHeight = getLineHeight(*(int16 *) (fontPtr + 8), fontPtr, fontPtr_Desc); // ok
wordSpacingWidth = *(int16 *) (fontPtr + 10);
wordSpacingHeight = *(int16 *) (fontPtr + 12);
// if right border is higher then screenwidth (+ spacing), adjust border
if (inRightBorder_X > 310) {
rightBorder_X = 310;
} else {
rightBorder_X = inRightBorder_X;
}
numLines = getTextLineCount(rightBorder_X, wordSpacingWidth, fontPtr_Desc, string); // ok
if (!numLines) {
return NULL;
}
stringHeight = ((wordSpacingHeight + lineHeight + 2) * numLines) + 1;
stringFinished = 0;
stringWidth = rightBorder_X + 2; // max render width to the right
stringRenderBufferSize = stringWidth * stringHeight * 4;
inRightBorder_X = rightBorder_X;
currentStrRenderBuffer =
(uint8 *) mallocAndZero(stringRenderBufferSize);
resetRaster(currentStrRenderBuffer, stringRenderBufferSize);
generatedGfxEntry = (gfxEntryStruct *) malloc(sizeof(gfxEntryStruct));
generatedGfxEntry->imagePtr = currentStrRenderBuffer;
generatedGfxEntry->imageSize = stringRenderBufferSize / 2;
generatedGfxEntry->fontIndex = fontFileIndex;
generatedGfxEntry->height = stringHeight;
generatedGfxEntry->width = stringWidth; // maximum render width to the right
// var_8 = 0;
heightOffset = 0;
do {
int spacesCount = 0; // si
char character = *string;
short int strPixelLength; // var_16
uint8 *ptrStringEnd; // var_4 //ok
int drawPosPixel_X; // di
// find first letter in string, skip all spaces
while (character == ' ') {
spacesCount++;
character = *(string + spacesCount);
}
string += spacesCount;
// returns character count and pixel length (via pointer) per line of the text string
ptrStringEnd = string + prepareWordRender(inRightBorder_X, wordSpacingWidth, &strPixelLength, fontPtr_Desc, string); //ok
// determine how much space is left to the right and left (center text)
if (inRightBorder_X > strPixelLength) {
//var_8 = (inRightBorder_X - strPixelLength) / 2;
drawPosPixel_X =
(inRightBorder_X - strPixelLength) / 2;
} else {
drawPosPixel_X = 0;
}
//drawPosPixel_X = var_8;
// draw textline, character wise
do {
character = *(string++);
short int charData = fontCharacterTable[(int)character]; // get character position
if (character) {
if (character == ' ' || character == 0x7C) {
drawPosPixel_X += wordSpacingWidth + 5; // if char = "space" adjust word starting postion (don't render space though);
} else {
if (charData >= 0) {
short int *si = (int16 *) (fontPtr_Desc + charData * 12); // offset font data
// int var_2 = si[5]; // don't need this
// should ist be stringRenderBufferSize/2 for the second last param?
renderWord(fontPtr_Data +
si[0],
currentStrRenderBuffer,
drawPosPixel_X,
si[4] - si[3] +
lineHeight + heightOffset,
si[3], si[2],
stringRenderBufferSize,
stringWidth / 2, si[5]);
drawPosPixel_X +=
wordSpacingWidth + si[5];
}
}
} else {
stringFinished = 1; // character = 0x00
}
// check if string already reached the end
if (ptrStringEnd <= string) {
break;
}
} while (!stringFinished);
// var_8 = 0;
heightOffset += wordSpacingHeight + lineHeight;
} while (!stringFinished);
return generatedGfxEntry;
}
} // End of namespace Cruise
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