moved textures into their own classes, better tilemapping

textures/bitmaptexture.cpp

@@ -0,0 +1,26 @@
+#pragma once
+
+#include <stdint.h>
+
+#include "../datatypes.cpp"
+#include "../helpers.cpp"
+#include "../buffer.cpp"
+#include "texturebase.cpp"
+
+namespace UwU {
+  class BitmapTexture : public TextureBase<BitmapTexture> {
+    private:
+      Buffer buffer;
+
+    public:
+      BitmapTexture(Buffer buffer) {
+        this->buffer = buffer;
+      }
+
+      Color texel(uint16_t u, uint16_t v) {
+        uint32_t index = (v * buffer.stride) + (u * 4);
+        Color c = Color(buffer.pixels[index + 2], buffer.pixels[index + 1], buffer.pixels[index], buffer.pixels[index + 3]);
+        return c;
+     }
+  };
+}

textures/colortexture.cpp

@@ -0,0 +1,26 @@
+#pragma once
+
+#include <stdint.h>
+
+#include "../datatypes.cpp"
+#include "../helpers.cpp"
+#include "../buffer.cpp"
+#include "texturebase.cpp"
+
+namespace UwU {
+  class ColorTexture : public TextureBase<ColorTexture> {
+    private:
+      Color color;
+
+    public:
+      ColorTexture(Color color) {
+        this->color = color;
+      }
+
+      Color texel(uint16_t u, uint16_t v) {
+        (void)u;
+        (void)v;
+        return color;
+     }
+  };
+}

textures/gradienttexture.cpp

@@ -0,0 +1,28 @@
+#pragma once
+
+#include <stdint.h>
+
+#include "../datatypes.cpp"
+#include "../helpers.cpp"
+#include "../buffer.cpp"
+#include "texturebase.cpp"
+
+namespace UwU {
+  class GradientTexture : public TextureBase<GradientTexture> {
+    public:
+      GradientTexture(uint16_t width, Color c0, Color c1) {
+        this->uScale = 0xffffffff / (1 + (uint32_t)width);
+        this->c0 = c0;
+        this->c1 = c1;
+      }
+      uint32_t uScale;
+      Color c0;
+      Color c1;
+
+      Color texel(uint16_t u, uint16_t v) {
+        (void)v;
+        uint32_t t = (((uint32_t)u) * uScale) / 0x01000000;
+        return Helpers::lerpColor(c0, c1, (uint8_t)t);
+     }
+  };
+}

textures/hgradienttexture.cpp

@@ -0,0 +1,28 @@
+#pragma once
+
+#include <stdint.h>
+
+#include "../datatypes.cpp"
+#include "../helpers.cpp"
+#include "../buffer.cpp"
+#include "texturebase.cpp"
+
+namespace UwU {
+  class HGradientTexture : public TextureBase<HGradientTexture> {
+    public:
+      HGradientTexture(uint16_t width, Color c0, Color c1) {
+        this->uScale = 0xffffffff / (1 + (uint32_t)width);
+        this->c0 = c0;
+        this->c1 = c1;
+      }
+      uint32_t uScale;
+      Color c0;
+      Color c1;
+
+      Color texel(uint16_t u, uint16_t v) {
+        (void)v;
+        uint32_t t = (((uint32_t)u) * uScale) / 0x01000000;
+        return Helpers::lerpColor(c0, c1, (uint8_t)t);
+     }
+  };
+}

textures/texturebase.cpp

@@ -0,0 +1,17 @@
+#pragma once
+
+#include <stdint.h>
+
+#include "../datatypes.cpp"
+#include "../helpers.cpp"
+#include "../buffer.cpp"
+
+namespace UwU {
+  template <class TextureT>
+  class TextureBase {
+    public:
+      Color texel(uint16_t u, uint16_t v) {
+        return static_cast<TextureT*>(this)->texel(u, v);
+     }
+  };
+}

textures/textures.h

@@ -0,0 +1,7 @@
+#include "texturebase.cpp"
+#include "colortexture.cpp"
+#include "bitmaptexture.cpp"
+#include "tilemaptexture.cpp"
+#include "hgradienttexture.cpp"
+#include "vgradienttexture.cpp"
+// #include "gradienttexture.cpp"

textures/tilemaptexture.cpp

@@ -0,0 +1,30 @@
+#pragma once
+
+#include <stdint.h>
+
+#include "../datatypes.cpp"
+#include "../helpers.cpp"
+#include "../buffer.cpp"
+#include "texturebase.cpp"
+#include "../tilemap.cpp"
+
+namespace UwU {
+  class TilemapTexture : public TextureBase<TilemapTexture> {
+    private:
+      Buffer buffer;
+      Tilemap tilemap;
+
+    public:
+      TilemapTexture(Tilemap tilemap, Buffer buffer) {
+        this->buffer = buffer;
+        this->tilemap = tilemap;
+      }
+
+      Color texel(uint16_t u, uint16_t v) {
+        Coord2 bitmapUV = tilemap.map(u, v);
+        uint32_t index = (bitmapUV.y * buffer.stride) + (bitmapUV.x * 4);
+        Color c = Color(buffer.pixels[index + 2], buffer.pixels[index + 1], buffer.pixels[index], buffer.pixels[index + 3]);
+        return c;
+     }
+  };
+}

textures/vgradienttexture.cpp

@@ -0,0 +1,28 @@
+#pragma once
+
+#include <stdint.h>
+
+#include "../datatypes.cpp"
+#include "../helpers.cpp"
+#include "../buffer.cpp"
+#include "texturebase.cpp"
+
+namespace UwU {
+  class VGradientTexture : public TextureBase<VGradientTexture> {
+    public:
+      VGradientTexture(uint16_t height, Color c0, Color c1) {
+        this->vScale = 0xffffffff / (1 + (uint32_t)height);
+        this->c0 = c0;
+        this->c1 = c1;
+      }
+      uint32_t vScale;
+      Color c0;
+      Color c1;
+
+      Color texel(uint16_t u, uint16_t v) {
+        (void)u;
+        uint32_t t = (((uint32_t)v) * vScale) / 0x01000000;
+        return Helpers::lerpColor(c0, c1, (uint8_t)t);
+     }
+  };
+}