dos-vga-arena-shooter-game/arena.c

113 lines
2.3 KiB
C

#include "bmpload.h"
#include "const.h"
#include "arena.h"
char arenaLayout[10][10] = {
{ 1, 1, 1, 1, 0, 0, 1, 1, 1, 1 },
{ 1, 2, 2, 2, 0, 0, 2, 2, 2, 1 },
{ 1, 0, 0, 0, 0, 0, 0, 0, 0, 1 },
{ 1, 0, 0, 0, 0, 0, 0, 0, 0, 1 },
{ 2, 0, 0, 0, 0, 0, 0, 0, 0, 2 },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 1, 0, 0, 0, 0, 0, 0, 0, 0, 1 },
{ 1, 0, 0, 0, 0, 0, 0, 0, 0, 1 },
{ 1, 0, 0, 0, 0, 0, 0, 0, 0, 1 },
{ 1, 1, 1, 1, 0, 0, 1, 1, 1, 1 }
};
struct SpriteRender arenaWallTop, arenaWallSide, arenaFloor;
void setupWallSprites(struct BMPImage *spritesheetImage) {
buildSpriteFromSpritesheet(
spritesheetImage,
&arenaWallTop,
0, 0, 20, 20
);
buildSpriteFromSpritesheet(
spritesheetImage,
&arenaWallSide,
20, 0, 20, 20
);
buildSpriteFromSpritesheet(
spritesheetImage,
&arenaFloor,
40, 0, 20, 20
);
}
void renderArenaTile(int x, int y) {
char tile;
struct SpriteRender *target;
tile = arenaLayout[y][x];
switch (tile) {
case 0:
target = &arenaFloor;
break;
case 1:
target = &arenaWallTop;
break;
case 2:
target = &arenaWallSide;
break;
}
target->x = x * 20;
target->y = y * 20;
drawSprite(target);
}
char arenaRedrawRequests[ARENA_HEIGHT_TILES][ARENA_WIDTH_TILES];
void clearArenaRedrawRequests() {
int x, y;
for (y = 0; y < ARENA_HEIGHT_TILES; ++y) {
for (x = 0; x < ARENA_WIDTH_TILES; ++x) {
arenaRedrawRequests[y][x] = 0;
}
}
}
void redrawArena() {
int x, y;
for (y = 0; y < ARENA_HEIGHT_TILES; ++y) {
for (x = 0; x < ARENA_WIDTH_TILES; ++x) {
if (arenaRedrawRequests[y][x]) {
renderArenaTile(x, y);
arenaRedrawRequests[y][x] = 0;
}
}
}
}
void drawOnlyArena(struct SpriteBounds *bounds) {
int leftTileX, rightTileX,
topTileY, bottomTileY;
leftTileX = bounds->left / TILE_SIZE;
rightTileX = bounds->right / TILE_SIZE;
topTileY = bounds->top / TILE_SIZE;
bottomTileY = bounds->bottom / TILE_SIZE;
arenaRedrawRequests[topTileY][leftTileX] = 1;
arenaRedrawRequests[topTileY][rightTileX] = 1;
arenaRedrawRequests[bottomTileY][leftTileX] = 1;
arenaRedrawRequests[bottomTileY][rightTileX] = 1;
}
void buildArena() {
int x, y;
for (y = 0; y < 10; ++y) {
for (x = 0; x < 10; ++x) {
renderArenaTile(x, y);
}
}
}