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Review _obj_offset_table_init

This commit is contained in:
Alexander Batalov 2022-06-11 22:13:32 +03:00
parent 2a9e00d730
commit c05b586f6c
2 changed files with 56 additions and 68 deletions
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113
src/object.cc
View File

@ -30,13 +30,13 @@
bool gObjectsInitialized = false;
// 0x5195FC
int _updateHexWidth = 0;
int gObjectsUpdateAreaHexWidth = 0;
// 0x519600
int _updateHexHeight = 0;
int gObjectsUpdateAreaHexHeight = 0;
// 0x519604
int _updateHexArea = 0;
int gObjectsUpdateAreaHexSize = 0;
// 0x519608
int* _orderTable[2] = {
@ -204,16 +204,7 @@ Rect gObjectsWindowRect;
Object* _outlinedObjects[100];
// 0x639D90
int _updateAreaPixelBounds;
// 0x639D94
int dword_639D94;
// 0x639D98
int dword_639D98;
// 0x639D9C
int dword_639D9C;
Rect gObjectsUpdateAreaPixelBounds;
// Contains objects that are bounded to tiles.
//
@ -264,14 +255,14 @@ int objectsInit(unsigned char* buf, int width, int height, int pitch)
int eggFid;
memset(_obj_seen, 0, 5001);
dword_639D98 = width + 320;
_updateAreaPixelBounds = -320;
dword_639D9C = height + 240;
dword_639D94 = -240;
gObjectsUpdateAreaPixelBounds.right = width + 320;
gObjectsUpdateAreaPixelBounds.left = -320;
gObjectsUpdateAreaPixelBounds.bottom = height + 240;
gObjectsUpdateAreaPixelBounds.top = -240;
_updateHexWidth = (dword_639D98 + 320 + 1) / 32 + 1;
_updateHexHeight = (dword_639D9C + 240 + 1) / 12 + 1;
_updateHexArea = _updateHexWidth * _updateHexHeight;
gObjectsUpdateAreaHexWidth = (gObjectsUpdateAreaPixelBounds.right + 320 + 1) / 32 + 1;
gObjectsUpdateAreaHexHeight = (gObjectsUpdateAreaPixelBounds.bottom + 240 + 1) / 12 + 1;
gObjectsUpdateAreaHexSize = gObjectsUpdateAreaHexWidth * gObjectsUpdateAreaHexHeight;
memset(gObjectListHeadByTile, 0, sizeof(gObjectListHeadByTile));
@ -298,7 +289,7 @@ int objectsInit(unsigned char* buf, int width, int height, int pitch)
_obj_light_table_init();
_obj_blend_table_init();
_centerToUpperLeft = tileFromScreenXY(_updateAreaPixelBounds, dword_639D94, 0) - gCenterTile;
_centerToUpperLeft = tileFromScreenXY(gObjectsUpdateAreaPixelBounds.left, gObjectsUpdateAreaPixelBounds.top, 0) - gCenterTile;
gObjectsWindowWidth = width;
gObjectsWindowHeight = height;
gObjectsWindowBuffer = buf;
@ -783,7 +774,7 @@ void _obj_render_pre_roof(Rect* rect, int elevation)
_outlineCount = 0;
int v34 = 0;
for (int i = 0; i < _updateHexArea; i++) {
for (int i = 0; i < gObjectsUpdateAreaHexSize; i++) {
int v9 = *v7++;
if (v23 > _offsetDivTable[v9] && v20 > _offsetModTable[v9]) {
int v2;
@ -2999,14 +2990,14 @@ int _obj_create_intersect_list(int x, int y, int elevation, int objectType, Obje
int v5 = tileFromScreenXY(x - 320, y - 240, elevation);
*entriesPtr = NULL;
if (_updateHexArea <= 0) {
if (gObjectsUpdateAreaHexSize <= 0) {
return 0;
}
int count = 0;
int parity = gCenterTile & 1;
for (int index = 0; index < _updateHexArea; index++) {
for (int index = 0; index < gObjectsUpdateAreaHexSize; index++) {
int v7 = _orderTable[parity][index];
if (_offsetDivTable[v7] < 30 && _offsetModTable[v7] < 20) {
ObjectListNode* objectListNode = gObjectListHeadByTile[_offsetTable[parity][v7] + v5];
@ -3238,46 +3229,46 @@ int _obj_offset_table_init()
return -1;
}
_offsetTable[0] = (int*)internal_malloc(sizeof(int) * _updateHexArea);
_offsetTable[0] = (int*)internal_malloc(sizeof(int) * gObjectsUpdateAreaHexSize);
if (_offsetTable[0] == NULL) {
goto err;
}
_offsetTable[1] = (int*)internal_malloc(sizeof(int) * _updateHexArea);
_offsetTable[1] = (int*)internal_malloc(sizeof(int) * gObjectsUpdateAreaHexSize);
if (_offsetTable[1] == NULL) {
goto err;
}
for (int i = 0; i < 2; i++) {
int tile = tileFromScreenXY(_updateAreaPixelBounds, dword_639D94, 0);
if (tile != -1) {
int* v5 = _offsetTable[gCenterTile & 1];
int v20;
int v19;
tileToScreenXY(tile, &v20, &v19, 0);
for (int parity = 0; parity < 2; parity++) {
int originTile = tileFromScreenXY(gObjectsUpdateAreaPixelBounds.left, gObjectsUpdateAreaPixelBounds.top, 0);
if (originTile != -1) {
int* offsets = _offsetTable[gCenterTile & 1];
int originTileX;
int originTileY;
tileToScreenXY(originTile, &originTileX, &originTileY, 0);
int v23 = 16;
v20 += 16;
v19 += 8;
if (v20 > _updateAreaPixelBounds) {
v23 = -v23;
int parityShift = 16;
originTileX += 16;
originTileY += 8;
if (originTileX > gObjectsUpdateAreaPixelBounds.left) {
parityShift = -parityShift;
}
int v6 = v20;
for (int j = 0; j < _updateHexHeight; j++) {
for (int m = 0; m < _updateHexWidth; m++) {
int t = tileFromScreenXY(v6, v19, 0);
if (t == -1) {
int tileX = originTileX;
for (int y = 0; y < gObjectsUpdateAreaHexHeight; y++) {
for (int x = 0; x < gObjectsUpdateAreaHexWidth; x++) {
int tile = tileFromScreenXY(tileX, originTileY, 0);
if (tile == -1) {
goto err;
}
v6 += 32;
*v5++ = t - tile;
tileX += 32;
*offsets++ = tile - originTile;
}
v6 = v23 + v20;
v19 += 12;
v23 = -v23;
tileX = parityShift + originTileX;
originTileY += 12;
parityShift = -parityShift;
}
}
@ -3286,22 +3277,22 @@ int _obj_offset_table_init()
}
}
_offsetDivTable = (int*)internal_malloc(sizeof(int) * _updateHexArea);
_offsetDivTable = (int*)internal_malloc(sizeof(int) * gObjectsUpdateAreaHexSize);
if (_offsetDivTable == NULL) {
goto err;
}
for (i = 0; i < _updateHexArea; i++) {
_offsetDivTable[i] = i / _updateHexWidth;
for (i = 0; i < gObjectsUpdateAreaHexSize; i++) {
_offsetDivTable[i] = i / gObjectsUpdateAreaHexWidth;
}
_offsetModTable = (int*)internal_malloc(sizeof(int) * _updateHexArea);
_offsetModTable = (int*)internal_malloc(sizeof(int) * gObjectsUpdateAreaHexSize);
if (_offsetModTable == NULL) {
goto err;
}
for (i = 0; i < _updateHexArea; i++) {
_offsetModTable[i] = i % _updateHexWidth;
for (i = 0; i < gObjectsUpdateAreaHexSize; i++) {
_offsetModTable[i] = i % gObjectsUpdateAreaHexWidth;
}
return 0;
@ -3343,23 +3334,23 @@ int _obj_order_table_init()
return -1;
}
_orderTable[0] = (int*)internal_malloc(sizeof(int) * _updateHexArea);
_orderTable[0] = (int*)internal_malloc(sizeof(int) * gObjectsUpdateAreaHexSize);
if (_orderTable[0] == NULL) {
goto err;
}
_orderTable[1] = (int*)internal_malloc(sizeof(int) * _updateHexArea);
_orderTable[1] = (int*)internal_malloc(sizeof(int) * gObjectsUpdateAreaHexSize);
if (_orderTable[1] == NULL) {
goto err;
}
for (int index = 0; index < _updateHexArea; index++) {
for (int index = 0; index < gObjectsUpdateAreaHexSize; index++) {
_orderTable[0][index] = index;
_orderTable[1][index] = index;
}
qsort(_orderTable[0], _updateHexArea, sizeof(int), _obj_order_comp_func_even);
qsort(_orderTable[1], _updateHexArea, sizeof(int), _obj_order_comp_func_odd);
qsort(_orderTable[0], gObjectsUpdateAreaHexSize, sizeof(int), _obj_order_comp_func_even);
qsort(_orderTable[1], gObjectsUpdateAreaHexSize, sizeof(int), _obj_order_comp_func_odd);
return 0;
@ -3410,12 +3401,12 @@ int _obj_render_table_init()
return -1;
}
_renderTable = (ObjectListNode**)internal_malloc(sizeof(*_renderTable) * _updateHexArea);
_renderTable = (ObjectListNode**)internal_malloc(sizeof(*_renderTable) * gObjectsUpdateAreaHexSize);
if (_renderTable == NULL) {
return -1;
}
for (int index = 0; index < _updateHexArea; index++) {
for (int index = 0; index < gObjectsUpdateAreaHexSize; index++) {
_renderTable[index] = NULL;
}

11
src/object.h
View File

@ -13,9 +13,9 @@ typedef struct ObjectWithFlags {
} ObjectWithFlags;
extern bool gObjectsInitialized;
extern int _updateHexWidth;
extern int _updateHexHeight;
extern int _updateHexArea;
extern int gObjectsUpdateAreaHexWidth;
extern int gObjectsUpdateAreaHexHeight;
extern int gObjectsUpdateAreaHexSize;
extern int* _orderTable[2];
extern int* _offsetTable[2];
extern int* _offsetModTable;
@ -49,10 +49,7 @@ extern int _light_blocked[6][36];
extern int _light_offsets[2][6][36];
extern Rect gObjectsWindowRect;
extern Object* _outlinedObjects[100];
extern int _updateAreaPixelBounds;
extern int dword_639D94;
extern int dword_639D98;
extern int dword_639D9C;
extern Rect gObjectsUpdateAreaPixelBounds;
extern ObjectListNode* gObjectListHeadByTile[HEX_GRID_SIZE];
extern unsigned char _glassGrayTable[256];
extern unsigned char _commonGrayTable[256];