Annika/UwUGL
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moved textures into their own classes, better tilemapping

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Annika
2026-07-25 23:47:54 -07:00
parent e6ce80ce13
commit 1c2579148e
19 changed files with 277 additions and 56 deletions
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primatives/line.cpp
+13 -13
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@@ -5,16 +5,16 @@
#include "../datatypes.cpp"
#include "../helpers.cpp"
#include "../buffer.cpp"
#include "../shaders/shaders.h"
#include "../mappers/mappers.h"
#include "../textures/textures.h"
namespace UwU {
// line
class Line {
private:
// plot lines if m <= 1
template <class MapperT, class ShaderT>
void lineLow(int16_t ix0, int16_t iy0, int16_t ix1, int16_t iy1, Buffer buffer, MapperBase<MapperT>& mapper, ShaderBase<ShaderT>& shader) {
template <class MapperT, class TextureT>
void lineLow(int16_t ix0, int16_t iy0, int16_t ix1, int16_t iy1, Buffer buffer, MapperBase<MapperT>& mapper, TextureBase<TextureT>& texture) {
int16_t dx = ix1 - ix0;
int16_t dy = iy1 - iy0;
int16_t yi = 1;
@@ -29,7 +29,7 @@ namespace UwU {
for (int16_t x = ix0; x < ix1; x++) {
uv = mapper.map(ix0, iy0, x, y);
buffer.drawPixel((uint16_t)x, (uint16_t)y, shader.shade(uv.x, uv.y));
buffer.drawPixel((uint16_t)x, (uint16_t)y, texture.texel(uv.x, uv.y));
if (d > 0) {
y += yi;
d += (2 * (dy - dx));
@@ -41,8 +41,8 @@ namespace UwU {
}
// plot lines if m >1
template <class MapperT, class ShaderT>
void lineHigh(int16_t ix0, int16_t iy0, int16_t ix1, int16_t iy1, Buffer buffer, MapperBase<MapperT>& mapper, ShaderBase<ShaderT>& shader) {
template <class MapperT, class TextureT>
void lineHigh(int16_t ix0, int16_t iy0, int16_t ix1, int16_t iy1, Buffer buffer, MapperBase<MapperT>& mapper, TextureBase<TextureT>& texture) {
int16_t dx = ix1 - ix0;
int16_t dy = iy1 - iy0;
int16_t xi = 1;
@@ -57,7 +57,7 @@ namespace UwU {
for (int16_t y = iy0; y < iy1; y++) {
uv = mapper.map(ix0, iy0, x, y);
buffer.drawPixel((uint16_t)x, (uint16_t)y, shader.shade(uv.x, uv.y));
buffer.drawPixel((uint16_t)x, (uint16_t)y, texture.texel(uv.x, uv.y));
if (d > 0) {
x += xi;
d += (2 * (dx - dy));
@@ -82,8 +82,8 @@ namespace UwU {
uint16_t y1;
// Uses Bresenham's line algorithm to draw line of any slope
template <class MapperT, class ShaderT>
void draw (Buffer buffer, MapperBase<MapperT>& mapper, ShaderBase<ShaderT>& shader) {
template <class MapperT, class TextureT>
void draw (Buffer buffer, MapperBase<MapperT>& mapper, TextureBase<TextureT>& texture) {
if (x0 > buffer.width || y0 > buffer.height || x1 > buffer.width || y1 > buffer.height) {return;};
int16_t ix0 = x0;
int16_t iy0 = y0;
@@ -91,15 +91,15 @@ namespace UwU {
int16_t iy1 = y1;
if (abs(iy1 - iy0) < abs(ix1 - ix0)) {
if (ix0 > ix1) {
lineLow(ix1, iy1, ix0, iy0, buffer, mapper, shader);
lineLow(ix1, iy1, ix0, iy0, buffer, mapper, texture);
} else {
lineLow(ix0, iy0, ix1, iy1, buffer, mapper, shader);
lineLow(ix0, iy0, ix1, iy1, buffer, mapper, texture);
}
} else {
if (iy0 > iy1) {
lineHigh(ix1, iy1, ix0, iy0, buffer, mapper, shader);
lineHigh(ix1, iy1, ix0, iy0, buffer, mapper, texture);
} else {
lineHigh(ix0, iy0, ix1, iy1, buffer, mapper, shader);
lineHigh(ix0, iy0, ix1, iy1, buffer, mapper, texture);
}
}
return;