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fixed water.dat code

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aap 2020-12-15 14:36:30 +01:00
parent e594f1d81d
commit 6d3adf57e8
2 changed files with 61 additions and 65 deletions
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118
src/render/WaterLevel.cpp
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@ -31,8 +31,8 @@ float TEXTURE_ADDV;
int32 CWaterLevel::ms_nNoOfWaterLevels; int32 CWaterLevel::ms_nNoOfWaterLevels;
float CWaterLevel::ms_aWaterZs[48]; float CWaterLevel::ms_aWaterZs[48];
CRect CWaterLevel::ms_aWaterRects[48]; CRect CWaterLevel::ms_aWaterRects[48];
int8 CWaterLevel::aWaterBlockList[WATER_BLOCK_SIZE][WATER_BLOCK_SIZE]; int8 CWaterLevel::aWaterBlockList[MAX_LARGE_SECTORS][MAX_LARGE_SECTORS];
int8 CWaterLevel::aWaterFineBlockList[WATER_FINEBLOCK_SIZE][WATER_FINEBLOCK_SIZE]; int8 CWaterLevel::aWaterFineBlockList[MAX_SMALL_SECTORS][MAX_SMALL_SECTORS];
bool CWaterLevel::WavesCalculatedThisFrame; bool CWaterLevel::WavesCalculatedThisFrame;
RpAtomic *CWaterLevel::ms_pWavyAtomic; RpAtomic *CWaterLevel::ms_pWavyAtomic;
RpGeometry *CWaterLevel::apGeomArray[8]; RpGeometry *CWaterLevel::apGeomArray[8];
@ -54,7 +54,6 @@ const float fGreenMult = 1.0f;
const float fBlueMult = 1.4f; const float fBlueMult = 1.4f;
void void
CWaterLevel::Initialise(Const char *pWaterDat) CWaterLevel::Initialise(Const char *pWaterDat)
{ {
@ -100,14 +99,15 @@ CWaterLevel::Initialise(Const char *pWaterDat)
CFileMgr::CloseFile(hFile); CFileMgr::CloseFile(hFile);
for (int32 x = 0; x < WATER_FINEBLOCK_SIZE; x++) for (int32 x = 0; x < MAX_SMALL_SECTORS; x++)
{ {
for (int32 y = 0; y < WATER_FINEBLOCK_SIZE; y++) for (int32 y = 0; y < MAX_SMALL_SECTORS; y++)
{ {
aWaterFineBlockList[x][y] = NO_WATER; aWaterFineBlockList[x][y] = NO_WATER;
} }
} }
// rasterize water rects read from file
for (int32 i = 0; i < ms_nNoOfWaterLevels; i++) for (int32 i = 0; i < ms_nNoOfWaterLevels; i++)
{ {
int32 l = WATER_HUGE_X(ms_aWaterRects[i].left); int32 l = WATER_HUGE_X(ms_aWaterRects[i].left);
@ -115,13 +115,13 @@ CWaterLevel::Initialise(Const char *pWaterDat)
int32 t = WATER_HUGE_Y(ms_aWaterRects[i].top); int32 t = WATER_HUGE_Y(ms_aWaterRects[i].top);
int32 b = WATER_HUGE_Y(ms_aWaterRects[i].bottom) + 1.0f; int32 b = WATER_HUGE_Y(ms_aWaterRects[i].bottom) + 1.0f;
// originally this writes *god* knows where everywhere in game memory ...
// even in debug it manages to reach some textures so librw crashes with a ptr being 0x15151515 ....
#ifdef FIX_BUGS #ifdef FIX_BUGS
l = clamp(l, 0, WATER_FINEBLOCK_SIZE - 1); // water.dat has rects that go out of bounds
r = clamp(r, 0, WATER_FINEBLOCK_SIZE - 1); // which causes memory corruption
t = clamp(t, 0, WATER_FINEBLOCK_SIZE - 1); l = clamp(l, 0, MAX_SMALL_SECTORS - 1);
b = clamp(b, 0, WATER_FINEBLOCK_SIZE - 1); r = clamp(r, 0, MAX_SMALL_SECTORS - 1);
t = clamp(t, 0, MAX_SMALL_SECTORS - 1);
b = clamp(b, 0, MAX_SMALL_SECTORS - 1);
#endif #endif
for (int32 x = l; x <= r; x++) for (int32 x = l; x <= r; x++)
@ -133,46 +133,46 @@ CWaterLevel::Initialise(Const char *pWaterDat)
} }
} }
for (int32 x = 0; x < WATER_FINEBLOCK_SIZE; x++) // remove tiles that are obscured by land
for (int32 x = 0; x < MAX_SMALL_SECTORS; x++)
{ {
int32 worldX = WATER_START_X + x * SMALL_SECTOR_WIDTH; float worldX = WATER_START_X + x * SMALL_SECTOR_SIZE;
for (int32 y = 0; y < WATER_FINEBLOCK_SIZE; y++) for (int32 y = 0; y < MAX_SMALL_SECTORS; y++)
{ {
if (aWaterBlockList[x][y] >= 0) if (aWaterFineBlockList[x][y] >= 0)
{ {
int32 worldY = WATER_START_Y + y * SMALL_SECTOR_WIDTH; float worldY = WATER_START_Y + y * SMALL_SECTOR_SIZE;
int32 i; int32 i;
for (i = 0; i <= 8; i++) for (i = 0; i <= 8; i++)
{ {
for (int32 j = 0; j <= 8; j++) for (int32 j = 0; j <= 8; j++)
{ {
CVector worldPos = CVector(worldX + i * (SMALL_SECTOR_WIDTH / 8), worldY + j * (SMALL_SECTOR_WIDTH / 8), ms_aWaterZs[aWaterFineBlockList[x][y]]); CVector worldPos = CVector(worldX + i * (SMALL_SECTOR_SIZE / 8), worldY + j * (SMALL_SECTOR_SIZE / 8), ms_aWaterZs[aWaterFineBlockList[x][y]]);
if ((worldPos.x > WORLD_MIN_X && worldPos.x < WORLD_MAX_X) && (worldPos.y > WORLD_MIN_Y && worldPos.y < WORLD_MAX_Y)) if ((worldPos.x > WORLD_MIN_X && worldPos.x < WORLD_MAX_X) && (worldPos.y > WORLD_MIN_Y && worldPos.y < WORLD_MAX_Y) &&
{ (!WaterLevelAccordingToRectangles(worldPos.x, worldPos.y) || TestVisibilityForFineWaterBlocks(worldPos)))
if (WaterLevelAccordingToRectangles(worldPos.x, worldPos.y) && !TestVisibilityForFineWaterBlocks(worldPos)) continue;
{
i = 1000; // at least one point in the tile wasn't blocked, so don't remove water
break; i = 1000;
} break;
}
} }
if (i == 1000) break;
} }
if (i < 1000) aWaterFineBlockList[x][y] = NO_WATER; if (i < 1000)
aWaterFineBlockList[x][y] = NO_WATER;
} }
} }
} }
RemoveIsolatedWater(); RemoveIsolatedWater();
for (int32 x = 0; x < WATER_BLOCK_SIZE; x++) // calculate coarse tiles from fine tiles
for (int32 x = 0; x < MAX_LARGE_SECTORS; x++)
{ {
for (int32 y = 0; y < WATER_BLOCK_SIZE; y++) for (int32 y = 0; y < MAX_LARGE_SECTORS; y++)
{ {
if (aWaterFineBlockList[x * 2][y * 2] >= 0) if (aWaterFineBlockList[x * 2][y * 2] >= 0)
{ {
@ -445,11 +445,11 @@ CWaterLevel::TestVisibilityForFineWaterBlocks(const CVector &worldPos)
void void
CWaterLevel::RemoveIsolatedWater() CWaterLevel::RemoveIsolatedWater()
{ {
bool (*isConnected)[WATER_FINEBLOCK_SIZE] = new bool[WATER_FINEBLOCK_SIZE][WATER_FINEBLOCK_SIZE]; bool (*isConnected)[MAX_SMALL_SECTORS] = new bool[MAX_SMALL_SECTORS][MAX_SMALL_SECTORS];
for (int32 x = 0; x < WATER_FINEBLOCK_SIZE; x++) for (int32 x = 0; x < MAX_SMALL_SECTORS; x++)
{ {
for (int32 y = 0; y < WATER_FINEBLOCK_SIZE; y++) for (int32 y = 0; y < MAX_SMALL_SECTORS; y++)
{ {
isConnected[x][y] = false; isConnected[x][y] = false;
} }
@ -462,35 +462,35 @@ CWaterLevel::RemoveIsolatedWater()
{ {
keepGoing = false; keepGoing = false;
for (int32 x = 0; x < WATER_FINEBLOCK_SIZE; x++) for (int32 x = 0; x < MAX_SMALL_SECTORS; x++)
{ {
for (int32 y = 0; y < WATER_FINEBLOCK_SIZE; y++) for (int32 y = 0; y < MAX_SMALL_SECTORS; y++)
{ {
if (aWaterBlockList[x][y] >= 0 && !isConnected[x][y]) if (aWaterFineBlockList[x][y] < 0 || isConnected[x][y])
continue;
if (x > 0 && isConnected[x - 1][y])
{ {
if (x > 0 && isConnected[x - 1][y]) isConnected[x][y] = true;
{ keepGoing = true;
isConnected[x][y] = true; }
keepGoing = true;
}
if (y > 0 && isConnected[x][y - 1]) if (y > 0 && isConnected[x][y - 1])
{ {
isConnected[x][y] = true; isConnected[x][y] = true;
keepGoing = true; keepGoing = true;
} }
if (x + 1 < WATER_FINEBLOCK_SIZE && isConnected[x + 1][y]) if (x + 1 < MAX_SMALL_SECTORS && isConnected[x + 1][y])
{ {
isConnected[x][y] = true; isConnected[x][y] = true;
keepGoing = true; keepGoing = true;
} }
if (y + 1 < WATER_FINEBLOCK_SIZE && isConnected[x][y + 1]) if (y + 1 < MAX_SMALL_SECTORS && isConnected[x][y + 1])
{ {
isConnected[x][y] = true; isConnected[x][y] = true;
keepGoing = true; keepGoing = true;
}
} }
} }
} }
@ -499,11 +499,11 @@ CWaterLevel::RemoveIsolatedWater()
int32 numRemoved = 0; int32 numRemoved = 0;
for (int32 x = 0; x < WATER_FINEBLOCK_SIZE; x++) for (int32 x = 0; x < MAX_SMALL_SECTORS; x++)
{ {
for (int32 y = 0; y < WATER_FINEBLOCK_SIZE; y++) for (int32 y = 0; y < MAX_SMALL_SECTORS; y++)
{ {
if (aWaterBlockList[x][y] >= 0 && !isConnected[x][y] && ms_aWaterZs[aWaterFineBlockList[x][y]] != 0.0f) if (aWaterFineBlockList[x][y] >= 0 && !isConnected[x][y] && ms_aWaterZs[aWaterFineBlockList[x][y]] == 0.0f)
{ {
numRemoved++; numRemoved++;
aWaterFineBlockList[x][y] = NO_WATER; aWaterFineBlockList[x][y] = NO_WATER;

8
src/render/WaterLevel.h
View File

@ -1,7 +1,5 @@
#pragma once #pragma once
#define WATER_BLOCK_SIZE LARGE_SECTOR_SIZE
#define WATER_FINEBLOCK_SIZE HUGE_SECTOR_SIZE
#define WATER_Z_OFFSET (1.5f) #define WATER_Z_OFFSET (1.5f)
#define NO_WATER -128 #define NO_WATER -128
@ -25,8 +23,6 @@
#define WATER_WIDTH ((WATER_END_X - WATER_START_X)) #define WATER_WIDTH ((WATER_END_X - WATER_START_X))
#define WATER_HEIGHT ((WATER_END_Y - WATER_START_Y)) #define WATER_HEIGHT ((WATER_END_Y - WATER_START_Y))
#define SMALL_SECTOR_WIDTH (WATER_WIDTH/MAX_SMALL_SECTORS)
#define WATER_UNSIGN_X(x) ( (x) + (WATER_WIDTH /2) ) #define WATER_UNSIGN_X(x) ( (x) + (WATER_WIDTH /2) )
#define WATER_UNSIGN_Y(y) ( (y) + (WATER_HEIGHT/2) ) #define WATER_UNSIGN_Y(y) ( (y) + (WATER_HEIGHT/2) )
#define WATER_SIGN_X(x) ( (x) - (WATER_WIDTH /2) ) #define WATER_SIGN_X(x) ( (x) - (WATER_WIDTH /2) )
@ -75,8 +71,8 @@ class CWaterLevel
static int32 ms_nNoOfWaterLevels; static int32 ms_nNoOfWaterLevels;
static float ms_aWaterZs[48]; static float ms_aWaterZs[48];
static CRect ms_aWaterRects[48]; static CRect ms_aWaterRects[48];
static int8 aWaterBlockList[WATER_BLOCK_SIZE][WATER_BLOCK_SIZE]; static int8 aWaterBlockList[MAX_LARGE_SECTORS][MAX_LARGE_SECTORS];
static int8 aWaterFineBlockList[WATER_FINEBLOCK_SIZE][WATER_FINEBLOCK_SIZE]; static int8 aWaterFineBlockList[MAX_SMALL_SECTORS][MAX_SMALL_SECTORS];
static bool WavesCalculatedThisFrame; static bool WavesCalculatedThisFrame;
static RpAtomic *ms_pWavyAtomic; static RpAtomic *ms_pWavyAtomic;
static RpGeometry *apGeomArray[MAX_BOAT_WAKES]; static RpGeometry *apGeomArray[MAX_BOAT_WAKES];