games/raycaster
1
0
Fork 0
Code Issues 30 Pull requests Projects Releases 2 Packages Wiki Activity Actions

Updated Amit's code to run in sfml 3.0

Browse source
This commit is contained in:
Zed A. Shaw 2025-01-17 15:29:13 -05:00
parent 105c974f1c
commit 7fb2d5cf26
3 changed files with 58 additions and 28 deletions
Download patch file Download diff file Expand all files Collapse all files

33
amt/raycaster.cpp
View file

@ -5,7 +5,31 @@
using namespace fmt;
using std::make_unique;
union ColorConv {
struct {
uint8_t r;
uint8_t g;
uint8_t b;
uint8_t a;
} as_color;
uint32_t as_int;
};
inline uint32_t dumb_lighting(uint32_t pixel, double distance) {
if(distance < 0.9) return pixel;
ColorConv conv{.as_int=pixel};
conv.as_color.r /= distance;
conv.as_color.g /= distance;
conv.as_color.b /= distance;
return conv.as_int;
}
Raycaster::Raycaster(sf::RenderWindow& window, Matrix &map, int width, int height) :
view_texture({(unsigned int)width, (unsigned int)height}),
view_sprite(view_texture),
$width(width), $height(height),
pixels(static_cast<size_t>(height), static_cast<std::size_t>(width)),
$window(window),
@ -15,14 +39,12 @@ Raycaster::Raycaster(sf::RenderWindow& window, Matrix &map, int width, int heigh
ZBuffer(width)
{
$window.setVerticalSyncEnabled(true);
view_texture.create($width, $height);
view_sprite.setTexture(view_texture);
view_sprite.setPosition(0, 0);
view_sprite.setPosition({0, 0});
textures.load_textures();
}
void Raycaster::set_position(int x, int y) {
view_sprite.setPosition(x, y);
view_sprite.setPosition({(float)x, (float)y});
}
void Raycaster::position_camera(float player_x, float player_y) {
@ -32,7 +54,7 @@ void Raycaster::position_camera(float player_x, float player_y) {
}
void Raycaster::draw_pixel_buffer() {
view_texture.update(pixels.to_raw_buf(), $width, $height, 0, 0);
view_texture.update(pixels.to_raw_buf(), {(unsigned int)$width, (unsigned int)$height}, {0, 0});
// BUG: can I do this once and just update it?
$window.draw(view_sprite);
}
@ -64,6 +86,7 @@ void Raycaster::sprite_casting() {
int sprite_index = spriteOrder[i];
Sprite& sprite_rec = textures.get_sprite(sprite_index);
auto& sprite_texture = textures.get_texture(sprite_rec.texture);
double spriteX = sprite_rec.x - posX;
double spriteY = sprite_rec.y - posY;