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CSurface.cpp
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#include "CSurface.h"
#include "CGame.h"
#include "CMap.h"
#include "globals.h"
#include <algorithm>
#include <cassert>
SDL_Rect rect2SDL_Rect(const Rect& rect)
{
Point<Sint16> origin(rect.getOrigin());
Point<Uint16> size(rect.getSize());
SDL_Rect result;
result.x = origin.x;
result.y = origin.y;
result.w = size.x;
result.h = size.y;
return result;
}
void DrawPreCalcFadedTexturedTrigon(SDL_Surface* dest, Point16 p1, Point16 p2, Point16 p3, SDL_Surface* source, const SDL_Rect& rect,
Uint16 I1, Uint16 I2, Uint8 PreCalcPalettes[][256])
{
Sint16 right = rect.x + rect.w - 1;
Sint16 middle = rect.x + rect.w / Sint16(2);
Sint16 bottom = rect.y + rect.h - 1;
sge_PreCalcFadedTexturedTrigonColorKeys(dest, p1.x, p1.y, p2.x, p2.y, p3.x, p3.y, source, rect.x, rect.y, right, rect.y, middle, bottom,
I1, I2, I2, PreCalcPalettes, &source->format->colorkey, 1);
}
void DrawFadedTexturedTrigon(SDL_Surface* dest, Point16 p1, Point16 p2, Point16 p3, SDL_Surface* source, const SDL_Rect& rect, Sint32 I1,
Sint32 I2)
{
Sint16 right = rect.x + rect.w - 1;
Sint16 middle = rect.x + rect.w / Sint16(2);
Sint16 bottom = rect.y + rect.h - 1;
sge_FadedTexturedTrigonColorKeys(dest, p1.x, p1.y, p2.x, p2.y, p3.x, p3.y, source, rect.x, rect.y, right, rect.y, middle, bottom, I1,
I2, I2, &source->format->colorkey, 1);
}
bool CSurface::drawTextures = false;
bool CSurface::useOpenGL = false;
CSurface::CSurface() {}
bool CSurface::Draw(SDL_Surface* Surf_Dest, SDL_Surface* Surf_Src, int X, int Y)
{
if(Surf_Dest == NULL || Surf_Src == NULL)
return false;
SDL_Rect DestR;
DestR.x = X;
DestR.y = Y;
SDL_BlitSurface(Surf_Src, NULL, Surf_Dest, &DestR);
return true;
}
bool CSurface::Draw(SDL_Surface* Surf_Dest, SDL_Surface* Surf_Src, int X, int Y, int angle)
{
if(Surf_Dest == NULL || Surf_Src == NULL)
return false;
Uint16 px, py;
switch(angle)
{
case 90:
px = 0;
py = Surf_Src->h - 1;
break;
case 180:
px = Surf_Src->w - 1;
py = Surf_Src->h - 1;
break;
case 270:
px = Surf_Src->w - 1;
py = 0;
break;
default: return false;
}
sge_transform(Surf_Src, Surf_Dest, (float)angle, 1.0, 1.0, px, py, X, Y, SGE_TSAFE);
return true;
}
bool CSurface::Draw(SDL_Surface* Surf_Dest, SDL_Surface* Surf_Src, int X, int Y, int X2, int Y2, int W, int H)
{
if(Surf_Dest == NULL || Surf_Src == NULL)
return false;
SDL_Rect DestR;
DestR.x = X;
DestR.y = Y;
SDL_Rect SrcR;
SrcR.x = X2;
SrcR.y = Y2;
SrcR.w = W;
SrcR.h = H;
SDL_BlitSurface(Surf_Src, &SrcR, Surf_Dest, &DestR);
return true;
}
// this is the example function from the sdl-documentation to draw pixels
void CSurface::DrawPixel_Color(SDL_Surface* screen, int x, int y, Uint32 color)
{
if(SDL_MUSTLOCK(screen))
SDL_LockSurface(screen);
switch(screen->format->BytesPerPixel)
{
case 1:
{
Uint8* bufp;
bufp = (Uint8*)screen->pixels + y * screen->pitch + x;
*bufp = color;
}
break;
case 2:
{
Uint16* bufp;
bufp = (Uint16*)screen->pixels + y * screen->pitch / 2 + x;
*bufp = color;
}
break;
case 3:
{
Uint8* bufp;
bufp = (Uint8*)screen->pixels + y * screen->pitch + x * 3;
if(SDL_BYTEORDER == SDL_LIL_ENDIAN)
{
bufp[0] = color;
bufp[1] = color >> 8;
bufp[2] = color >> 16;
} else
{
bufp[2] = color;
bufp[1] = color >> 8;
bufp[0] = color >> 16;
}
}
break;
case 4:
{
Uint32* bufp;
bufp = (Uint32*)screen->pixels + y * screen->pitch / 4 + x;
*bufp = color;
}
break;
}
if(SDL_MUSTLOCK(screen))
SDL_UnlockSurface(screen);
}
// this is the example function from the sdl-documentation to draw pixels
void CSurface::DrawPixel_RGB(SDL_Surface* screen, int x, int y, Uint8 R, Uint8 G, Uint8 B)
{
if(SDL_MUSTLOCK(screen))
SDL_LockSurface(screen);
Uint32 color = SDL_MapRGB(screen->format, R, G, B);
switch(screen->format->BytesPerPixel)
{
case 1:
{
Uint8* bufp;
bufp = (Uint8*)screen->pixels + y * screen->pitch + x;
*bufp = color;
}
break;
case 2:
{
Uint16* bufp;
bufp = (Uint16*)screen->pixels + y * screen->pitch / 2 + x;
*bufp = color;
}
break;
case 3:
{
Uint8* bufp;
bufp = (Uint8*)screen->pixels + y * screen->pitch + x * 3;
if(SDL_BYTEORDER == SDL_LIL_ENDIAN)
{
bufp[0] = color;
bufp[1] = color >> 8;
bufp[2] = color >> 16;
} else
{
bufp[2] = color;
bufp[1] = color >> 8;
bufp[0] = color >> 16;
}
}
break;
case 4:
{
Uint32* bufp;
bufp = (Uint32*)screen->pixels + y * screen->pitch / 4 + x;
*bufp = color;
}
break;
}
if(SDL_MUSTLOCK(screen))
SDL_UnlockSurface(screen);
}
void CSurface::DrawPixel_RGBA(SDL_Surface* screen, int x, int y, Uint8 R, Uint8 G, Uint8 B, Uint8 A)
{
if(SDL_MUSTLOCK(screen))
SDL_LockSurface(screen);
Uint32 color = SDL_MapRGBA(screen->format, R, G, B, A);
switch(screen->format->BytesPerPixel)
{
case 1:
{
Uint8* bufp;
bufp = (Uint8*)screen->pixels + y * screen->pitch + x;
*bufp = color;
}
break;
case 2:
{
Uint16* bufp;
bufp = (Uint16*)screen->pixels + y * screen->pitch / 2 + x;
*bufp = color;
}
break;
case 3:
{
Uint8* bufp;
bufp = (Uint8*)screen->pixels + y * screen->pitch + x * 3;
if(SDL_BYTEORDER == SDL_LIL_ENDIAN)
{
bufp[0] = color;
bufp[1] = color >> 8;
bufp[2] = color >> 16;
} else
{
bufp[2] = color;
bufp[1] = color >> 8;
bufp[0] = color >> 16;
}
}
break;
case 4:
{
Uint32* bufp;
bufp = (Uint32*)screen->pixels + y * screen->pitch / 4 + x;
*bufp = color;
}
break;
}
if(SDL_MUSTLOCK(screen))
SDL_UnlockSurface(screen);
}
Uint32 CSurface::GetPixel(SDL_Surface* surface, int x, int y)
{
int bpp = surface->format->BytesPerPixel;
/* Here p is the address to the pixel we want to retrieve */
Uint8* p = (Uint8*)surface->pixels + y * surface->pitch + x * bpp;
switch(bpp)
{
case 1: return *p;
case 2: return *(Uint16*)p;
case 3:
if(SDL_BYTEORDER == SDL_BIG_ENDIAN)
return p[0] << 16 | p[1] << 8 | p[2];
else
return p[0] | p[1] << 8 | p[2] << 16;
case 4: return *(Uint32*)p;
default:
return 0; /* shouldn't happen, but avoids warnings */
}
}
void CSurface::DrawTriangleField(SDL_Surface* display, const DisplayRectangle& displayRect, bobMAP* myMap)
{
Uint16 width = myMap->width;
Uint16 height = myMap->height;
Uint8 type = myMap->type;
MapNode tempP1, tempP2, tempP3;
// min size to avoid underflows
if(width < 8 || height < 8)
return;
assert(displayRect.x < myMap->width_pixel);
assert(-displayRect.x <= displayRect.w);
assert(displayRect.x + displayRect.w > 0);
assert(displayRect.y < myMap->height_pixel);
assert(-displayRect.y <= displayRect.h);
assert(displayRect.y + displayRect.h > 0);
// draw triangle field
// NOTE: WE DO THIS TWICE, AT FIRST ONLY TRIANGLE-TEXTURES, AT SECOND THE TEXTURE-BORDERS AND OBJECTS
for(int i = 0; i < 2; i++)
{
drawTextures = (i == 0);
for(int k = 0; k < 4; k++)
{
// beware calling DrawTriangle for each triangle
// IMPORTANT: integer values like +8 or -1 are for tolerance to beware of high triangles are not shown
// at first call DrawTriangle for all triangles inside the map edges
int row_start = std::max(displayRect.y, 2 * TRIANGLE_HEIGHT) / TRIANGLE_HEIGHT - 2;
int row_end = (displayRect.y + displayRect.h) / TRIANGLE_HEIGHT + 8;
int col_start = std::max<int>(displayRect.x, TRIANGLE_WIDTH) / TRIANGLE_WIDTH - 1;
int col_end = (displayRect.x + displayRect.w) / TRIANGLE_WIDTH + 1;
bool view_outside_edges;
if(k > 0)
{
// now call DrawTriangle for all triangles outside the map edges
view_outside_edges = false;
if(k == 1 || k == 3)
{
// at first call DrawTriangle for all triangles up or down outside
if(displayRect.y < 0)
{
row_start = std::max(0, height - 1 - (-displayRect.y / TRIANGLE_HEIGHT) - 1);
row_end = height - 1;
view_outside_edges = true;
} else if((displayRect.y + displayRect.h) > myMap->height_pixel)
{
row_start = 0;
row_end = ((displayRect.y + displayRect.h) - myMap->height_pixel) / TRIANGLE_HEIGHT + 8;
view_outside_edges = true;
} else if(displayRect.y <= 2 * TRIANGLE_HEIGHT)
{
// this is for draw triangles that are reduced under the lower map edge (have bigger y-coords as
// myMap->height_pixel)
row_start = height - 3;
row_end = height - 1;
view_outside_edges = true;
} else if((displayRect.y + displayRect.h) >= (myMap->height_pixel - 8 * TRIANGLE_HEIGHT))
{
// this is for draw triangles that are raised over the upper map edge (have negative y-coords)
row_start = 0;
row_end = 8;
view_outside_edges = true;
}
}
if(k == 2 || k == 3)
{
// now call DrawTriangle for all triangles left or right outside
if(displayRect.x <= 0)
{
col_start = std::max(0, width - 1 - (-displayRect.x / TRIANGLE_WIDTH) - 1);
col_end = width - 1;
view_outside_edges = true;
} else if(displayRect.x < TRIANGLE_WIDTH)
{
col_start = width - 2;
col_end = width - 1;
view_outside_edges = true;
} else if((displayRect.x + displayRect.w) > myMap->width_pixel)
{
col_start = 0;
col_end = ((displayRect.x + displayRect.w) - myMap->width_pixel) / TRIANGLE_WIDTH + 1;
view_outside_edges = true;
}
}
// if displayRect is not outside the map edges, there is nothing to do
if(!view_outside_edges)
continue;
}
assert(col_start >= 0);
assert(row_start >= 0);
assert(col_start <= col_end);
assert(row_start <= row_end);
for(unsigned y = row_start; y < height - 1u && y <= static_cast<unsigned>(row_end); y++)
{
if(y % 2 == 0)
{
// first RightSideUp
tempP2 = myMap->getVertex(width - 1, y + 1);
tempP2.x = 0;
DrawTriangle(display, displayRect, myMap, type, myMap->getVertex(0, y), tempP2, myMap->getVertex(0, y + 1));
for(unsigned x = std::max(col_start, 1); x < width && x <= static_cast<unsigned>(col_end); x++)
{
// RightSideUp
DrawTriangle(display, displayRect, myMap, type, myMap->getVertex(x, y), myMap->getVertex(x - 1, y + 1),
myMap->getVertex(x, y + 1));
// UpSideDown
if(x < width)
DrawTriangle(display, displayRect, myMap, type, myMap->getVertex(x - 1, y + 1), myMap->getVertex(x - 1, y),
myMap->getVertex(x, y));
}
// last UpSideDown
tempP3 = myMap->getVertex(0, y);
tempP3.x = myMap->getVertex(width - 1, y).x + TRIANGLE_WIDTH;
DrawTriangle(display, displayRect, myMap, type, myMap->getVertex(width - 1, y + 1), myMap->getVertex(width - 1, y),
tempP3);
} else
{
for(unsigned x = col_start; x < width - 1u && x <= static_cast<unsigned>(col_end); x++)
{
// RightSideUp
DrawTriangle(display, displayRect, myMap, type, myMap->getVertex(x, y), myMap->getVertex(x, y + 1),
myMap->getVertex(x + 1, y + 1));
// UpSideDown
DrawTriangle(display, displayRect, myMap, type, myMap->getVertex(x + 1, y + 1), myMap->getVertex(x, y),
myMap->getVertex(x + 1, y));
}
// last RightSideUp
tempP3 = myMap->getVertex(0, y + 1);
tempP3.x = myMap->getVertex(width - 1, y + 1).x + TRIANGLE_WIDTH;
DrawTriangle(display, displayRect, myMap, type, myMap->getVertex(width - 1, y), myMap->getVertex(width - 1, y + 1),
tempP3);
// last UpSideDown
tempP1 = myMap->getVertex(0, y + 1);
tempP1.x = myMap->getVertex(width - 1, y + 1).x + TRIANGLE_WIDTH;
tempP3 = myMap->getVertex(0, y);
tempP3.x = myMap->getVertex(width - 1, y).x + TRIANGLE_WIDTH;
DrawTriangle(display, displayRect, myMap, type, tempP1, myMap->getVertex(width - 1, y), tempP3);
}
}
// draw last line
for(unsigned x = col_start; x < width - 1u && x <= static_cast<unsigned>(col_end); x++)
{
// RightSideUp
tempP2 = myMap->getVertex(x, 0);
tempP2.y = height * TRIANGLE_HEIGHT + myMap->getVertex(x, 0).y;
tempP3 = myMap->getVertex(x + 1, 0);
tempP3.y = height * TRIANGLE_HEIGHT + myMap->getVertex(x + 1, 0).y;
DrawTriangle(display, displayRect, myMap, type, myMap->getVertex(x, height - 1), tempP2, tempP3);
// UpSideDown
tempP1 = myMap->getVertex(x + 1, 0);
tempP1.y = height * TRIANGLE_HEIGHT + myMap->getVertex(x + 1, 0).y;
DrawTriangle(display, displayRect, myMap, type, tempP1, myMap->getVertex(x, height - 1),
myMap->getVertex(x + 1, height - 1));
}
}
// last RightSideUp
tempP2 = myMap->getVertex(width - 1, 0);
tempP2.y += height * TRIANGLE_HEIGHT;
tempP3 = myMap->getVertex(0, 0);
tempP3.x = myMap->getVertex(width - 1, 0).x + TRIANGLE_WIDTH;
tempP3.y += height * TRIANGLE_HEIGHT;
DrawTriangle(display, displayRect, myMap, type, myMap->getVertex(width - 1, height - 1), tempP2, tempP3);
// last UpSideDown
tempP1 = myMap->getVertex(0, 0);
tempP1.x = myMap->getVertex(width - 1, 0).x + TRIANGLE_WIDTH;
tempP1.y += height * TRIANGLE_HEIGHT;
tempP3 = myMap->getVertex(0, height - 1);
tempP3.x = myMap->getVertex(width - 1, height - 1).x + TRIANGLE_WIDTH;
DrawTriangle(display, displayRect, myMap, type, tempP1, myMap->getVertex(width - 1, height - 1), tempP3);
}
}
int CalcBorders(const bobMAP& map, Uint8 s2Id1, Uint8 s2Id2, SDL_Rect& borderRect)
{
DescIdx<TerrainDesc> idxTop = map.s2IdToTerrain[s2Id1];
DescIdx<TerrainDesc> idxBottom = map.s2IdToTerrain[s2Id2];
if(idxTop == idxBottom)
return 0;
const TerrainDesc& t1 = global::worldDesc.get(idxTop);
const TerrainDesc& t2 = global::worldDesc.get(idxBottom);
if(t1.edgePriority > t2.edgePriority)
{
if(!t1.edgeType)
return 0;
borderRect = rect2SDL_Rect(global::worldDesc.get(t1.edgeType).posInTexture);
return 1;
} else if(t1.edgePriority < t2.edgePriority)
{
if(!t2.edgeType)
return 0;
borderRect = rect2SDL_Rect(global::worldDesc.get(t2.edgeType).posInTexture);
return -1;
}
return 0;
}
void CSurface::DrawTriangle(SDL_Surface* display, DisplayRectangle displayRect, bobMAP* myMap, Uint8 type, MapNode P1, MapNode P2,
MapNode P3)
{
// prevent drawing triangles that are not shown
if(((P1.x < displayRect.x && P2.x < displayRect.x && P3.x < displayRect.x)
|| (P1.x > (displayRect.x + displayRect.w) && P2.x > (displayRect.x + displayRect.w) && P3.x > (displayRect.x + displayRect.w)))
|| ((P1.y < displayRect.y && P2.y < displayRect.y && P3.y < displayRect.y)
|| (P1.y > (displayRect.y + displayRect.h) && P2.y > (displayRect.y + displayRect.h) && P3.y > (displayRect.y + displayRect.h))))
{
bool triangle_shown = false;
if(displayRect.x <= 0)
{
int outside_x = displayRect.x;
int outside_w = -displayRect.x;
if((((P1.x - myMap->width_pixel) >= (outside_x)) && ((P1.x - myMap->width_pixel) <= (outside_x + outside_w)))
|| (((P2.x - myMap->width_pixel) >= (outside_x)) && ((P2.x - myMap->width_pixel) <= (outside_x + outside_w)))
|| (((P3.x - myMap->width_pixel) >= (outside_x)) && ((P3.x - myMap->width_pixel) <= (outside_x + outside_w))))
{
P1.x -= myMap->width_pixel;
P2.x -= myMap->width_pixel;
P3.x -= myMap->width_pixel;
triangle_shown = true;
}
} else if(displayRect.x < TRIANGLE_WIDTH)
{
int outside_x = displayRect.x;
int outside_w = TRIANGLE_WIDTH;
if((((P1.x - myMap->width_pixel) >= (outside_x)) && ((P1.x - myMap->width_pixel) <= (outside_x + outside_w)))
|| (((P2.x - myMap->width_pixel) >= (outside_x)) && ((P2.x - myMap->width_pixel) <= (outside_x + outside_w)))
|| (((P3.x - myMap->width_pixel) >= (outside_x)) && ((P3.x - myMap->width_pixel) <= (outside_x + outside_w))))
{
P1.x -= myMap->width_pixel;
P2.x -= myMap->width_pixel;
P3.x -= myMap->width_pixel;
triangle_shown = true;
}
} else if((displayRect.x + displayRect.w) > (myMap->width_pixel))
{
int outside_x = myMap->width_pixel;
int outside_w = displayRect.x + displayRect.w - myMap->width_pixel;
if((((P1.x + myMap->width_pixel) >= (outside_x)) && ((P1.x + myMap->width_pixel) <= (outside_x + outside_w)))
|| (((P2.x + myMap->width_pixel) >= (outside_x)) && ((P2.x + myMap->width_pixel) <= (outside_x + outside_w)))
|| (((P3.x + myMap->width_pixel) >= (outside_x)) && ((P3.x + myMap->width_pixel) <= (outside_x + outside_w))))
{
P1.x += myMap->width_pixel;
P2.x += myMap->width_pixel;
P3.x += myMap->width_pixel;
triangle_shown = true;
}
}
if(displayRect.y < 0)
{
int outside_y = displayRect.y;
int outside_h = -displayRect.y;
if((((P1.y - myMap->height_pixel) >= (outside_y)) && ((P1.y - myMap->height_pixel) <= (outside_y + outside_h)))
|| (((P2.y - myMap->height_pixel) >= (outside_y)) && ((P2.y - myMap->height_pixel) <= (outside_y + outside_h)))
|| (((P3.y - myMap->height_pixel) >= (outside_y)) && ((P3.y - myMap->height_pixel) <= (outside_y + outside_h))))
{
P1.y -= myMap->height_pixel;
P2.y -= myMap->height_pixel;
P3.y -= myMap->height_pixel;
triangle_shown = true;
}
} else if((displayRect.y + displayRect.h) > (myMap->height_pixel))
{
int outside_y = myMap->height_pixel;
int outside_h = displayRect.y + displayRect.h - myMap->height_pixel;
if((((P1.y + myMap->height_pixel) >= (outside_y)) && ((P1.y + myMap->height_pixel) <= (outside_y + outside_h)))
|| (((P2.y + myMap->height_pixel) >= (outside_y)) && ((P2.y + myMap->height_pixel) <= (outside_y + outside_h)))
|| (((P3.y + myMap->height_pixel) >= (outside_y)) && ((P3.y + myMap->height_pixel) <= (outside_y + outside_h))))
{
P1.y += myMap->height_pixel;
P2.y += myMap->height_pixel;
P3.y += myMap->height_pixel;
triangle_shown = true;
}
}
// now test if triangle has negative y-coords cause it's raised over the upper map edge
if(P1.y < 0 || P2.y < 0 || P3.y < 0)
{
if((((P1.y + myMap->height_pixel) >= displayRect.y) && ((P1.y + myMap->height_pixel) <= (displayRect.y + displayRect.h)))
|| (((P2.y + myMap->height_pixel) >= displayRect.y) && ((P2.y + myMap->height_pixel) <= (displayRect.y + displayRect.h)))
|| (((P3.y + myMap->height_pixel) >= displayRect.y) && ((P3.y + myMap->height_pixel) <= (displayRect.y + displayRect.h))))
{
P1.y += myMap->height_pixel;
P2.y += myMap->height_pixel;
P3.y += myMap->height_pixel;
triangle_shown = true;
}
}
// now test if triangle has bigger y-coords as myMap->height_pixel cause it's reduced under the lower map edge
if(P1.y > myMap->height_pixel || P2.y > myMap->height_pixel || P3.y > myMap->height_pixel)
{
if((((P1.y - myMap->height_pixel) >= displayRect.y) && ((P1.y - myMap->height_pixel) <= (displayRect.y + displayRect.h)))
|| (((P2.y - myMap->height_pixel) >= displayRect.y) && ((P2.y - myMap->height_pixel) <= (displayRect.y + displayRect.h)))
|| (((P3.y - myMap->height_pixel) >= displayRect.y) && ((P3.y - myMap->height_pixel) <= (displayRect.y + displayRect.h))))
{
P1.y -= myMap->height_pixel;
P2.y -= myMap->height_pixel;
P3.y -= myMap->height_pixel;
triangle_shown = true;
}
}
if(!triangle_shown)
return;
}
// find out the texture for the triangle
// upperX2, ..... are for special use in winterland.
unsigned char upperX, upperY, leftX, leftY, rightX, rightY, upperX2 = 0, upperY2 = 0, leftX2 = 0, leftY2 = 0, rightX2 = 0, rightY2 = 0;
Uint8 texture, texture_raw;
SDL_Surface* Surf_Tileset;
// for moving water, lava, objects and so on
// This is very tricky: there are ice floes in the winterland and the water under this floes is moving.
// I don't know how this works in original settlers 2 but i solved it this way:
// i texture the triangle with normal water and then draw the floe over it. To Extract the floe
// from it's surrounded water, i use this color keys below. These are the color values for the water texture.
// I wrote a special SGE-Function that uses these color keys and ignores them in the Surf_Tileset.
static Uint32 colorkeys[5] = {14191, 14195, 13167, 13159, 11119};
static int keycount = 5;
static int texture_move = 0;
static int roundCount = 0;
static Uint32 roundTimeObjects = SDL_GetTicks();
static Uint32 roundTimeTextures = SDL_GetTicks();
if(SDL_GetTicks() - roundTimeObjects > 30)
{
roundTimeObjects = SDL_GetTicks();
if(roundCount >= 7)
roundCount = 0;
else
roundCount++;
}
if(SDL_GetTicks() - roundTimeTextures > 170)
{
roundTimeTextures = SDL_GetTicks();
texture_move++;
if(texture_move > 14)
texture_move = 0;
}
switch(type)
{
case MAP_GREENLAND:
Surf_Tileset =
global::bmpArray[global::s2->getMapObj()->getBitsPerPixel() == 8 ? TILESET_GREENLAND_8BPP : TILESET_GREENLAND_32BPP].surface;
break;
case MAP_WASTELAND:
Surf_Tileset =
global::bmpArray[global::s2->getMapObj()->getBitsPerPixel() == 8 ? TILESET_WASTELAND_8BPP : TILESET_WASTELAND_32BPP].surface;
break;
case MAP_WINTERLAND:
Surf_Tileset =
global::bmpArray[global::s2->getMapObj()->getBitsPerPixel() == 8 ? TILESET_WINTERLAND_8BPP : TILESET_WINTERLAND_32BPP]
.surface;
break;
default:
Surf_Tileset =
global::bmpArray[global::s2->getMapObj()->getBitsPerPixel() == 8 ? TILESET_GREENLAND_8BPP : TILESET_GREENLAND_32BPP].surface;
break;
}
if(P1.y < P2.y)
texture = P1.rsuTexture;
else
texture = P2.usdTexture;
texture_raw = texture;
if(texture_raw >= 0x40)
// it's a harbour
texture_raw -= 0x40;
Point16 shiftedP1, shiftedP2, shiftedP3;
shiftedP1.x = static_cast<Sint16>(P1.x - displayRect.x);
shiftedP1.y = static_cast<Sint16>(P1.y - displayRect.y);
shiftedP2.x = static_cast<Sint16>(P2.x - displayRect.x);
shiftedP2.y = static_cast<Sint16>(P2.y - displayRect.y);
shiftedP3.x = static_cast<Sint16>(P3.x - displayRect.x);
shiftedP3.y = static_cast<Sint16>(P3.y - displayRect.y);
if(drawTextures)
{
switch(texture_raw)
{
// in case of USD-Triangle "upperX" and "upperY" means "lowerX" and "lowerY"
case TRIANGLE_TEXTURE_STEPPE_MEADOW1:
upperX = 17;
upperY = 96;
leftX = 0;
leftY = 126;
rightX = 35;
rightY = 126;
break;
case TRIANGLE_TEXTURE_MINING1:
upperX = 17;
upperY = 48;
leftX = 0;
leftY = 78;
rightX = 35;
rightY = 78;
break;
case TRIANGLE_TEXTURE_SNOW:
if(P1.y < P2.y)
{
upperX = 17;
upperY = 0;
leftX = 0;
leftY = 30;
rightX = 35;
rightY = 30;
} else
{
upperX = 17;
upperY = 28;
leftX = 0;
leftY = 0;
rightX = 37;
rightY = 0;
}
if(type == MAP_WINTERLAND)
{
if(P1.y < P2.y)
{
upperX2 = 231 - texture_move;
upperY2 = 61 + texture_move;
leftX2 = 207 - texture_move;
leftY2 = 62 + texture_move;
rightX2 = 223 - texture_move;
rightY2 = 78 + texture_move;
} else
{
upperX2 = 224 - texture_move;
upperY2 = 79 + texture_move;
leftX2 = 232 - texture_move;
leftY2 = 62 + texture_move;
rightX2 = 245 - texture_move;
rightY2 = 76 + texture_move;
}
}
break;
case TRIANGLE_TEXTURE_SWAMP:
upperX = 113;
upperY = 0;
leftX = 96;
leftY = 30;
rightX = 131;
rightY = 30;
if(type == MAP_WINTERLAND)
{
if(P1.y < P2.y)
{
upperX2 = 231 - texture_move;
upperY2 = 61 + texture_move;
leftX2 = 207 - texture_move;
leftY2 = 62 + texture_move;
rightX2 = 223 - texture_move;
rightY2 = 78 + texture_move;
} else
{
upperX2 = 224 - texture_move;
upperY2 = 79 + texture_move;
leftX2 = 232 - texture_move;
leftY2 = 62 + texture_move;
rightX2 = 245 - texture_move;
rightY2 = 76 + texture_move;
}
}
break;
case TRIANGLE_TEXTURE_STEPPE:
upperX = 65;
upperY = 0;
leftX = 48;
leftY = 30;
rightX = 83;
rightY = 30;
break;
case TRIANGLE_TEXTURE_STEPPE_:
upperX = 65;
upperY = 0;
leftX = 48;
leftY = 30;
rightX = 83;
rightY = 30;
break;
case TRIANGLE_TEXTURE_STEPPE__:
upperX = 65;
upperY = 0;
leftX = 48;
leftY = 30;
rightX = 83;
rightY = 30;
break;
case TRIANGLE_TEXTURE_STEPPE___:
upperX = 65;
upperY = 0;
leftX = 48;
leftY = 30;
rightX = 83;
rightY = 30;
break;
case TRIANGLE_TEXTURE_WATER:
if(P1.y < P2.y)
{
upperX = 231 - texture_move;
upperY = 61 + texture_move;
leftX = 207 - texture_move;
leftY = 62 + texture_move;
rightX = 223 - texture_move;
rightY = 78 + texture_move;
} else
{
upperX = 224 - texture_move;
upperY = 79 + texture_move;
leftX = 232 - texture_move;
leftY = 62 + texture_move;
rightX = 245 - texture_move;
rightY = 76 + texture_move;
}
break;
case TRIANGLE_TEXTURE_WATER_:
if(P1.y < P2.y)
{
upperX = 231 - texture_move;
upperY = 61 + texture_move;
leftX = 207 - texture_move;
leftY = 62 + texture_move;
rightX = 223 - texture_move;
rightY = 78 + texture_move;
} else
{
upperX = 224 - texture_move;
upperY = 79 + texture_move;
leftX = 232 - texture_move;
leftY = 62 + texture_move;
rightX = 245 - texture_move;
rightY = 76 + texture_move;
}
break;
case TRIANGLE_TEXTURE_WATER__:
if(P1.y < P2.y)
{
upperX = 231 - texture_move;
upperY = 61 + texture_move;
leftX = 207 - texture_move;
leftY = 62 + texture_move;
rightX = 223 - texture_move;
rightY = 78 + texture_move;
} else
{
upperX = 224 - texture_move;
upperY = 79 + texture_move;
leftX = 232 - texture_move;
leftY = 62 + texture_move;
rightX = 245 - texture_move;
rightY = 76 + texture_move;
}
break;
case TRIANGLE_TEXTURE_MEADOW1:
upperX = 65;
upperY = 96;
leftX = 48;
leftY = 126;
rightX = 83;
rightY = 126;
break;
case TRIANGLE_TEXTURE_MEADOW2:
upperX = 113;
upperY = 96;
leftX = 96;
leftY = 126;
rightX = 131;
rightY = 126;
break;
case TRIANGLE_TEXTURE_MEADOW3:
upperX = 161;
upperY = 96;
leftX = 144;
leftY = 126;
rightX = 179;
rightY = 126;
break;
case TRIANGLE_TEXTURE_MINING2:
upperX = 65;
upperY = 48;
leftX = 48;
leftY = 78;
rightX = 83;
rightY = 78;
break;
case TRIANGLE_TEXTURE_MINING3:
upperX = 113;
upperY = 48;
leftX = 96;
leftY = 78;
rightX = 131;
rightY = 78;
break;
case TRIANGLE_TEXTURE_MINING4:
upperX = 161;
upperY = 48;
leftX = 144;
leftY = 78;
rightX = 179;
rightY = 78;
break;
case TRIANGLE_TEXTURE_STEPPE_MEADOW2:
upperX = 17;
upperY = 144;
leftX = 0;
leftY = 174;
rightX = 35;
rightY = 174;
break;
case TRIANGLE_TEXTURE_FLOWER:
upperX = 161;
upperY = 0;
leftX = 144;
leftY = 30;
rightX = 179;
rightY = 30;
break;
case TRIANGLE_TEXTURE_LAVA:
if(P1.y < P2.y)
{
upperX = 231 - texture_move;
upperY = 117 + texture_move;
leftX = 207 - texture_move;
leftY = 118 + texture_move;
rightX = 223 - texture_move;
rightY = 134 + texture_move;
} else
{
upperX = 224 - texture_move;
upperY = 135 + texture_move;
leftX = 232 - texture_move;
leftY = 118 + texture_move;
rightX = 245 - texture_move;
rightY = 132 + texture_move;
}
break;
case TRIANGLE_TEXTURE_MINING_MEADOW:
upperX = 65;
upperY = 144;
leftX = 48;
leftY = 174;
rightX = 83;
rightY = 174;
break;
default: // TRIANGLE_TEXTURE_FLOWER
upperX = 161;
upperY = 0;
leftX = 144;
leftY = 30;
rightX = 179;
rightY = 30;
break;
}
// draw the triangle
// do not shade water and lava
if(texture == TRIANGLE_TEXTURE_WATER || texture == TRIANGLE_TEXTURE_LAVA)
sge_TexturedTrigon(display, shiftedP1.x, shiftedP1.y, shiftedP2.x, shiftedP2.y, shiftedP3.x, shiftedP3.y, Surf_Tileset, upperX,
upperY, leftX, leftY, rightX, rightY);
else
{
// draw special winterland textures with moving water (ice floe textures)
if(type == MAP_WINTERLAND && (texture == TRIANGLE_TEXTURE_SNOW || texture == TRIANGLE_TEXTURE_SWAMP))
{
sge_TexturedTrigon(display, shiftedP1.x, shiftedP1.y, shiftedP2.x, shiftedP2.y, shiftedP3.x, shiftedP3.y, Surf_Tileset,
upperX2, upperY2, leftX2, leftY2, rightX2, rightY2);
if(global::s2->getMapObj()->getBitsPerPixel() == 8)
sge_PreCalcFadedTexturedTrigonColorKeys(
display, shiftedP1.x, shiftedP1.y, shiftedP2.x, shiftedP2.y, shiftedP3.x, shiftedP3.y, Surf_Tileset, upperX, upperY,
leftX, leftY, rightX, rightY, P1.shading << 8, P2.shading << 8, P3.shading << 8, gouData[type], colorkeys, keycount);