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authorVincent Hamm2007-11-01 11:22:11 +0000
committerVincent Hamm2007-11-01 11:22:11 +0000
commit4521634286268f45087c6d0cdaa09cafeda88b4e (patch)
treec47b366cd5c3797c4829e77beb3c43702809867f /engines
parent9aa0a47846774fe24b413e3156fdb7df22f07bdf (diff)
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Small cleanups
svn-id: r29352
Diffstat (limited to 'engines')
-rw-r--r--engines/cruise/ctp.cpp14
-rw-r--r--engines/cruise/mainDraw.cpp196
-rw-r--r--engines/cruise/mainDraw.h4
-rw-r--r--engines/cruise/polys.cpp4
4 files changed, 89 insertions, 129 deletions
diff --git a/engines/cruise/ctp.cpp b/engines/cruise/ctp.cpp
index 8256df3330..708d12a72e 100644
--- a/engines/cruise/ctp.cpp
+++ b/engines/cruise/ctp.cpp
@@ -173,14 +173,14 @@ void loadCtpSub1(int boxIdx, int scale, uint16 *_walkboxTable,
ctpVar19Struct *var_1C;
ctpVar19Struct *var_12;
- int16 *var_18;
- int16 *si;
+// int16 *var_18;
+// int16 *si;
// int16* di;
// uint8* cx;
// int bx;
// int ax;
// int var_2;
- int var_E;
+// int var_E;
//int var_C = 1000;
//int var_A = 0;
ctpVar19SubStruct *subStruct;
@@ -199,12 +199,12 @@ void loadCtpSub1(int boxIdx, int scale, uint16 *_walkboxTable,
var_1C = param4;
var_12 = var_1C + 1; // next
-
- var_18 = polyBuffer3;
+/*
+ var_18 = XMIN_XMAX;
var_E = 0;
- si = &polyBuffer3[1];
- /* if (*si>=0)
+ si = &XMIN_XMAX[1];
+ if (*si>=0)
* {
* di = si;
* cx = var_12;
diff --git a/engines/cruise/mainDraw.cpp b/engines/cruise/mainDraw.cpp
index 545711cce0..d5372be84e 100644
--- a/engines/cruise/mainDraw.cpp
+++ b/engines/cruise/mainDraw.cpp
@@ -109,35 +109,32 @@ void pixel(int x, int y, char color) {
}
// this function checks if the dataPtr is not 0, else it retrives the data for X, Y, scale and DataPtr again (OLD: mainDrawSub1Sub1)
-void getPolyData(int fileIndex, int X, int Y, int *outScale, int *outY,
- int *outX, char **outDataPtr, int scale, char *dataPtr) {
- if (*(uint16 *) dataPtr == 0) {
- uint16 newFileIndex;
- uint16 newX;
- char *newDataPtr; // this one is quite useless
- uint16 newY;
-
- dataPtr += 2;
- newFileIndex = *(uint16 *) dataPtr;
- flipShort(&newFileIndex);
-
- dataPtr += 2;
- newX = *(uint16 *) dataPtr;
- flipShort(&newX);
+void flipPoly(int fileId, int16 *dataPtr, int scale, char** newFrame, int X, int Y, int *outX, int *outY, int *outScale)
+{
+ if (*dataPtr == 0)
+ {
+ int16 offset;
+ int16 newX;
+ int16 newY;
+
+ dataPtr ++;
- newDataPtr = dataPtr; // useless
+ offset = *(dataPtr++);
+ flipShort(&offset);
+
+ newX = *(dataPtr++);
+ flipShort(&newX);
- newY = *(uint16 *) (newDataPtr + 2);
+ newY = *(dataPtr++);
flipShort(&newY);
- newFileIndex += fileIndex;
+ offset += fileId;
- if (true /*newFileIndex >= 0 */ ) { // FIXME: comparison is always true due to limited range of data type
- if (filesDatabase[newFileIndex].resType == 0
- && filesDatabase[newFileIndex].subData.ptr) {
- dataPtr =
- (char *)filesDatabase[newFileIndex].
- subData.ptr;
+ if (offset >= 0 )
+ {
+ if (filesDatabase[offset].resType == 0 && filesDatabase[offset].subData.ptr)
+ {
+ dataPtr = (int16 *)filesDatabase[offset].subData.ptr;
}
}
@@ -146,7 +143,7 @@ void getPolyData(int fileIndex, int X, int Y, int *outScale, int *outY,
Y -= newY;
}
- *outDataPtr = dataPtr;
+ *newFrame = (char*)dataPtr;
*outX = X;
*outY = Y;
*outScale = scale;
@@ -164,18 +161,16 @@ int m_coordCount;
int m_first_X;
int m_first_Y;
int m_scaleValue;
-int m_current_X;
-int m_current_Y;
int m_color;
-int16 polyBuffer[512];
+int16 DIST_3D[512];
int16 polyBuffer2[512];
-int16 polyBuffer3[404];
+int16 XMIN_XMAX[404];
int16 polyBuffer4[512];
// this function fills the sizeTable for the poly (OLD: mainDrawSub1Sub2)
-void getPolySize(int positionX, int positionY, int scale, int sizeTable[4],
- unsigned char *dataPtr) {
+void getPolySize(int positionX, int positionY, int scale, int sizeTable[4], unsigned char *dataPtr)
+{
int upperBorder;
int lowerBorder;
m_flipLeftRight = 0;
@@ -235,10 +230,22 @@ void getPolySize(int positionX, int positionY, int scale, int sizeTable[4],
sizeTable[3] = upperBorder; // top
}
-void blitPolyMode1(char *dest, char *ptr, int16 * buffer, char color) {
+int polyVar1;
+
+void blitPolyMode1(char *dest, char *ptr, int16 * buffer, char color)
+{
+ ASSERT(0);
}
-void blitPolyMode2(char *dest, int16 * buffer, char color) {
+void blitPolyMode2(char *dest, int16 * buffer, char color)
+{
+ int i;
+
+ for (i = 0; i < polyVar1; i++) {
+ line(buffer[i * 2], buffer[i * 2 + 1], buffer[(i + 1) * 2], buffer[(i + 1) * 2 + 1], color);
+ }
+
+ fillpoly(buffer, polyVar1, color);
}
int polySize1;
@@ -246,21 +253,8 @@ int polySize2;
int polySize3;
int polySize4;
-int polyVar1;
int16 *polyVar2;
-void drawPolySub(void) {
- int i;
-
- for (i = 0; i < polyVar1; i++) {
- line(polyBuffer4[i * 2], polyBuffer4[i * 2 + 1],
- polyBuffer4[(i + 1) * 2], polyBuffer4[(i + 1) * 2 + 1],
- m_color & 0xF);
- }
-
- fillpoly(polyBuffer4, polyVar1, m_color & 0xF);
-}
-
char *drawPolyMode1(char *dataPointer, int linesToDraw) {
int index;
int16 *pBufferDest;
@@ -269,10 +263,8 @@ char *drawPolyMode1(char *dataPointer, int linesToDraw) {
pBufferDest = &polyBuffer4[polyVar1 * 2];
index = *(dataPointer++);
- polySize1 = polySize2 = pBufferDest[-2] =
- pBufferDest[-2 + linesToDraw * 2] = polyBuffer2[index * 2];
- polySize1 = polySize2 = pBufferDest[-1] =
- pBufferDest[-1 + linesToDraw * 2] = polyBuffer2[(index * 2) + 1];
+ polySize1 = polySize2 = pBufferDest[-2] = pBufferDest[-2 + linesToDraw * 2] = polyBuffer2[index * 2];
+ polySize1 = polySize2 = pBufferDest[-1] = pBufferDest[-1 + linesToDraw * 2] = polyBuffer2[(index * 2) + 1];
linesToDraw--;
@@ -284,8 +276,7 @@ char *drawPolyMode1(char *dataPointer, int linesToDraw) {
int value;
index = *(dataPointer++);
- value = pBufferDest[-2] = pBufferDest[-2 + polyVar1 * 2] =
- polyBuffer2[index * 2];
+ value = pBufferDest[-2] = pBufferDest[-2 + polyVar1 * 2] = polyBuffer2[index * 2];
if (value < polySize1) {
polySize1 = value;
@@ -294,8 +285,7 @@ char *drawPolyMode1(char *dataPointer, int linesToDraw) {
polySize2 = value;
}
- value = pBufferDest[-1] = pBufferDest[-1 + polyVar1 * 2] =
- polyBuffer2[(index * 2) + 1];
+ value = pBufferDest[-1] = pBufferDest[-1 + polyVar1 * 2] = polyBuffer2[(index * 2) + 1];
if (value > polySize4) {
polySize4 = value;
@@ -308,12 +298,11 @@ char *drawPolyMode1(char *dataPointer, int linesToDraw) {
} while (--linesToDraw);
- drawPolySub();
-
return dataPointer;
}
-char *drawPolyMode2(char *dataPointer, int linesToDraw) {
+char *drawPolyMode2(char *dataPointer, int linesToDraw)
+{
int index;
int16 *pBufferDest;
@@ -322,10 +311,8 @@ char *drawPolyMode2(char *dataPointer, int linesToDraw) {
polyVar2 = polyBuffer4;
index = *(dataPointer++);
- polySize1 = polySize2 = pBufferDest[0] = pBufferDest[linesToDraw * 2] =
- polyBuffer2[index * 2];
- polySize1 = polySize2 = pBufferDest[1] =
- pBufferDest[linesToDraw * 2 + 1] = polyBuffer2[(index * 2) + 1];
+ polySize1 = polySize2 = pBufferDest[0] = pBufferDest[linesToDraw * 2] = polyBuffer2[index * 2];
+ polySize1 = polySize2 = pBufferDest[1] = pBufferDest[linesToDraw * 2 + 1] = polyBuffer2[(index * 2) + 1];
linesToDraw--;
@@ -335,8 +322,7 @@ char *drawPolyMode2(char *dataPointer, int linesToDraw) {
int value;
index = *(dataPointer++);
- value = pBufferDest[0] = pBufferDest[polyVar1 * 2] =
- polyBuffer2[index * 2];
+ value = pBufferDest[0] = pBufferDest[polyVar1 * 2] = polyBuffer2[index * 2];
if (value < polySize1) {
polySize1 = value;
@@ -345,8 +331,7 @@ char *drawPolyMode2(char *dataPointer, int linesToDraw) {
polySize2 = value;
}
- value = pBufferDest[1] = pBufferDest[polyVar1 * 2 + 1] =
- polyBuffer2[(index * 2) + 1];
+ value = pBufferDest[1] = pBufferDest[polyVar1 * 2 + 1] = polyBuffer2[(index * 2) + 1];
if (value > polySize4) {
polySize4 = value;
@@ -360,13 +345,11 @@ char *drawPolyMode2(char *dataPointer, int linesToDraw) {
} while (--linesToDraw);
- drawPolySub();
-
return dataPointer;
}
// this function builds the poly model and then calls the draw functions (OLD: mainDrawSub1Sub5)
-void buildPolyModel(int positionX, int positionY, int scale, char *ptr2, char *destBuffer, char *dataPtr) {
+void buildPolyModel(int positionX, int positionY, int scale, char *pMask, char *destBuffer, char *dataPtr) {
int counter = 0; // numbers of coordinates to process
int startX = 0; // first X in model
int startY = 0; // first Y in model
@@ -375,7 +358,7 @@ void buildPolyModel(int positionX, int positionY, int scale, char *ptr2, char *d
int offsetXinModel = 0; // offset of the X value in the model
int offsetYinModel = 0; // offset of the Y value in the model
unsigned char *dataPointer = (unsigned char *)dataPtr;
- int16 *ptrPoly_1_Buf = polyBuffer;
+ int16 *ptrPoly_1_Buf = DIST_3D;
int16 *ptrPoly_2_Buf;
polyOutputBuffer = destBuffer; // global
@@ -425,29 +408,28 @@ void buildPolyModel(int positionX, int positionY, int scale, char *ptr2, char *d
// get coordinates from data
- startX =
- positionX - ((upscaleValue(startX, m_scaleValue) + 0x8000) >> 16);
- startY =
- positionY - ((upscaleValue(startY, m_scaleValue) + 0x8000) >> 16);
+ startX = positionX - ((upscaleValue(startX, m_scaleValue) + 0x8000) >> 16);
+ startY = positionY - ((upscaleValue(startY, m_scaleValue) + 0x8000) >> 16);
ptrPoly_1_Buf[0] = 0;
ptrPoly_1_Buf[1] = 0;
ptrPoly_1_Buf += 2;
counter = m_coordCount - 1 - 1; // skip the first pair, we already have the values
+ // dpbcl0
do {
x = *(dataPointer++) - m_first_X;
- y = *(dataPointer++) - m_first_Y;
-
if (m_useSmallScale) { // shrink all coordinates by factor 2 if a scale smaller than 384 is used
x >>= 1;
- y >>= 1;
}
-
ptrPoly_1_Buf[0] = offsetXinModel - x;
ptrPoly_1_Buf++;
offsetXinModel = x;
+ y = *(dataPointer++) - m_first_Y;
+ if (m_useSmallScale) {
+ y >>= 1;
+ }
ptrPoly_1_Buf[0] = -(offsetYinModel - y);
ptrPoly_1_Buf++;
offsetYinModel = y;
@@ -455,16 +437,11 @@ void buildPolyModel(int positionX, int positionY, int scale, char *ptr2, char *d
} while (--counter);
// scale and adjust coordinates with offset (using two polybuffers by doing that)
-
- /*
- * NOTE: Is there a need for having two, a scaled and unscaled polybuffer?
- */
-
- ptrPoly_2_Buf = polyBuffer;
+ ptrPoly_2_Buf = DIST_3D;
ptrPoly_1_Buf = polyBuffer2;
counter = m_coordCount - 1; // reset counter // process first pair two
- m_current_X = 0;
- m_current_Y = 0;
+ int m_current_X = 0;
+ int m_current_Y = 0;
do {
x = ptrPoly_2_Buf[0];
@@ -503,33 +480,24 @@ void buildPolyModel(int positionX, int positionY, int scale, char *ptr2, char *d
flipShort(&minimumScale);
- if (minimumScale > scale) { // if the scale is too small, for the model to be drawn ...
- dataPointer += linesToDraw; // ... skip ahead
- } else {
+ if (minimumScale <= scale)
+ {
if (m_flipLeftRight) {
- dataPointer =
- (unsigned char *)
- drawPolyMode1((char *)dataPointer,
- linesToDraw);
+ drawPolyMode1((char *)dataPointer, linesToDraw);
} else {
- dataPointer =
- (unsigned char *)
- drawPolyMode2((char *)dataPointer,
- linesToDraw);
+ drawPolyMode2((char *)dataPointer, linesToDraw);
}
if (destBuffer) {
- if (ptr2) {
- blitPolyMode1(destBuffer, ptr2,
- polyBuffer3,
- m_color & 0xF);
+ if (pMask) {
+ blitPolyMode1(destBuffer, pMask, polyBuffer4, m_color & 0xF);
} else {
- blitPolyMode2(destBuffer,
- polyBuffer3,
- m_color & 0xF);
+ blitPolyMode2(destBuffer, polyBuffer4, m_color & 0xF);
}
}
}
+
+ dataPointer += linesToDraw;
} else {
dataPointer += 4;
}
@@ -537,34 +505,27 @@ void buildPolyModel(int positionX, int positionY, int scale, char *ptr2, char *d
}
// draw poly sprite (OLD: mainDrawSub1)
-void mainDrawPolygons(int fileIndex, cellStruct *pObject, int X, int scale,
- int Y, char *destBuffer, char *dataPtr) {
+void mainDrawPolygons(int fileIndex, cellStruct *pObject, int X, int scale, int Y, char *destBuffer, char *dataPtr) {
int newX;
int newY;
int newScale;
- char *newDataPtr;
- char *ptr2; // unused
+ char *newFrame;
+
int var_8; // unused
int sizeTable[4]; // 0 = left, 1 = right, 2 = bottom, 3 = top
// this function checks if the dataPtr is not 0, else it retrives the data for X, Y, scale and DataPtr again (OLD: mainDrawSub1Sub1)
- getPolyData(fileIndex, X, Y, &newScale, &newY, &newX, &newDataPtr,
- scale, dataPtr);
+ flipPoly(fileIndex, (int16*)dataPtr, scale, &newFrame, X, Y, &newX, &newY, &newScale);
// this function fills the sizeTable for the poly (OLD: mainDrawSub1Sub2)
- getPolySize(newX, newY, newScale, sizeTable,
- (unsigned char *)newDataPtr);
+ getPolySize(newX, newY, newScale, sizeTable, (unsigned char *)newFrame);
spriteX2 = sizeTable[0] - 2; // left border
spriteX1 = sizeTable[1] + 18; // right border
spriteY2 = sizeTable[2] - 2; // bottom border
spriteY1 = sizeTable[3] + 2; // top border
-/* if (X == 28 && Y == 80 && scale == 1024) {
- printf("0--> x1: %i, y1: %i, x2: %i, y2: %i\n", sizeTable[1], sizeTable[3], sizeTable[0], sizeTable[2]);
- printf("1--> x1: %i, y1: %i, x2: %i, y2: %i\n", spriteX1, spriteY1, spriteX2, spriteY2);
- } */
if (spriteX2 >= 320)
return;
if (spriteX1 < 0)
@@ -592,7 +553,7 @@ void mainDrawPolygons(int fileIndex, cellStruct *pObject, int X, int scale,
if (spriteY1 == spriteY2)
return;
- ptr2 = NULL;
+ char *pMask = NULL;
var_8 = 0;
if (pObject) {
@@ -607,8 +568,9 @@ void mainDrawPolygons(int fileIndex, cellStruct *pObject, int X, int scale,
pCurrentObject = pCurrentObject->next;
} while (pCurrentObject);
}
+
// this function builds the poly model and then calls the draw functions (OLD: mainDrawSub1Sub5)
- buildPolyModel(newX, newY, newScale, ptr2, destBuffer, newDataPtr);
+ buildPolyModel(newX, newY, newScale, pMask, destBuffer, newFrame);
}
void mainSprite(int globalX, int globalY, gfxEntryStruct *pGfxPtr,
diff --git a/engines/cruise/mainDraw.h b/engines/cruise/mainDraw.h
index ad10bcddc6..70f7eab11b 100644
--- a/engines/cruise/mainDraw.h
+++ b/engines/cruise/mainDraw.h
@@ -29,8 +29,8 @@
namespace Cruise {
extern int currentTransparent;
-extern int16 polyBuffer3[404];
extern int16 polyBuffer2[512];
+extern int16 XMIN_XMAX[404];
extern int m_color;
int upscaleValue(int value, int scale);
@@ -40,8 +40,6 @@ void mainDraw(int16 param);
void flipScreen(void);
void buildPolyModel(int X, int Y, int scale, char *ptr2, char *destBuffer,
char *dataPtr);
-void getPolyData(int fileIndex, int X, int Y, int *newScale, int *newY,
- int *newX, char **newDataPtr, int scale, char *dataPtr);
void mainDrawSub4(int objX1, int var_6, cellStruct * currentObjPtr,
char *data1, int objY2, int objX2, char *output, char *data2);
char *drawPolyMode2(char *si, int cx);
diff --git a/engines/cruise/polys.cpp b/engines/cruise/polys.cpp
index a2eea8a9a7..5d4ecc0e0d 100644
--- a/engines/cruise/polys.cpp
+++ b/engines/cruise/polys.cpp
@@ -150,8 +150,8 @@ void bsubline_4(int x1, int y1, int x2, int y2, char c) {
}
}
-void line(int x1, int y1, int x2, int y2, char c) {
-
+void line(int x1, int y1, int x2, int y2, char c)
+{
float k;
if ((x1 == x2) && (y1 == y2)) {