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Tried out 512px tiles and sprites and they actually look like crap. They just look like bad textures not better painted. With 256 they look nicely pixelated.

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This commit is contained in:
Zed A. Shaw 2025-01-25 07:46:57 -05:00
parent d397c02d38
commit 5e6f95513c
42 changed files with 41 additions and 44 deletions
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29
raycaster.cpp
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@ -65,8 +65,8 @@ void Raycaster::clear() {
}
void Raycaster::sprite_casting() {
const int textureWidth = $textures.TEXTURE_WIDTH;
const int textureHeight = $textures.TEXTURE_HEIGHT;
const int textureWidth = TEXTURE_WIDTH;
const int textureHeight = TEXTURE_HEIGHT;
// sort sprites from far to close
for(int i = 0; i < $textures.NUM_SPRITES; i++) {
@ -126,7 +126,7 @@ void Raycaster::sprite_casting() {
if(!(transformY > 0 && transformY < ZBuffer[stripe])) break;
}
int texX_end = int(256 * (stripe - (-spriteWidth / 2 + spriteScreenX)) * textureWidth / spriteWidth) / 256;
int texX_end = int(512 * (stripe - (-spriteWidth / 2 + spriteScreenX)) * textureWidth / spriteWidth) / 512;
if(drawStartX < drawEndX && transformY > 0 && transformY < ZBuffer[drawStartX]) {
int vMoveScreen = int(sprite_rec.elevation * -1 / transformY);
@ -136,15 +136,15 @@ void Raycaster::sprite_casting() {
int drawEndY = spriteHeight / 2 + $height / 2 + vMoveScreen;
if(drawEndY >= $height) drawEndY = $height - 1;
int texX = int(256 * (drawStartX - (-spriteWidth / 2 + spriteScreenX)) * textureWidth / spriteWidth) / 256;
int texX = int(512 * (drawStartX - (-spriteWidth / 2 + spriteScreenX)) * textureWidth / spriteWidth) / 512;
float x = float(drawStartX + RAY_VIEW_X);
float y = float(drawStartY + RAY_VIEW_Y);
float sprite_w = float(spriteWidth) / float(textureWidth);
float sprite_h = float(spriteHeight) / float(textureHeight);
int d = (y - vMoveScreen) * 256 - $height * 128 + spriteHeight * 128;
int texY = ((d * textureHeight) / spriteHeight) / 256;
int d = (y - vMoveScreen) * 512 - $height * 256 + spriteHeight * 256;
int texY = ((d * textureHeight) / spriteHeight) / 512;
sf_sprite->setScale({sprite_w, sprite_h});
sf_sprite->setTextureRect(sf::IntRect({texX, texY}, {texX_end - texX, textureHeight}));
@ -155,8 +155,8 @@ void Raycaster::sprite_casting() {
}
void Raycaster::cast_rays() {
constexpr static const int textureWidth = $textures.TEXTURE_WIDTH;
constexpr static const int textureHeight = $textures.TEXTURE_HEIGHT;
constexpr static const int textureWidth = TEXTURE_WIDTH;
constexpr static const int textureHeight = TEXTURE_HEIGHT;
double perpWallDist;
// WALL CASTING
@ -229,7 +229,7 @@ void Raycaster::cast_rays() {
int drawEnd = lineHeight / 2 + $height / 2 + $pitch;
if(drawEnd >= $height) drawEnd = $height - 1;
auto &texture = $textures.get_texture($map[mapY][mapX] - 1);
auto texture = $textures.get_texture($map[mapY][mapX] - 1);
// calculate value of wallX
double wallX; // where exactly the wall was hit
@ -265,8 +265,8 @@ void Raycaster::cast_rays() {
}
void Raycaster::draw_ceiling_floor() {
constexpr static const int textureWidth = $textures.TEXTURE_WIDTH;
constexpr static const int textureHeight = $textures.TEXTURE_HEIGHT;
constexpr static const int textureWidth = TEXTURE_WIDTH;
constexpr static const int textureHeight = TEXTURE_HEIGHT;
for(int y = $height / 2 + 1; y < $height; ++y) {
// rayDir for leftmost ray (x=0) and rightmost (x = w)
@ -300,6 +300,9 @@ void Raycaster::draw_ceiling_floor() {
float floorX = $posX + rowDistance * rayDirX0;
float floorY = $posY + rowDistance * rayDirY0;
auto floor_texture = (const uint32_t *)$textures.floor.getPixelsPtr();
auto ceiling_texture = (const uint32_t *)$textures.ceiling.getPixelsPtr();
for(int x = 0; x < $width; ++x) {
// the cell coord is simply taken from the int parts of
// floorX and floorY.
@ -319,11 +322,11 @@ void Raycaster::draw_ceiling_floor() {
// floorX cellX to find the texture x/y. How?
// FLOOR
color = $textures.floor[textureWidth * ty + tx];
color = floor_texture[textureWidth * ty + tx];
$pixels[pixcoord(x, y)] = color;
// CEILING
color = $textures.ceiling[textureWidth * ty + tx];
color = ceiling_texture[textureWidth * ty + tx];
$pixels[pixcoord(x, $height - y - 1)] = color;
}
}