From bcfd9909a794a8351d67c3bf1a24b9fbeed1950e Mon Sep 17 00:00:00 2001
From: hkc <hatkidchan@gmail.com>
Date: Mon, 22 Jul 2024 16:37:25 +0300
Subject: [PATCH] Added new template (upscaled pixel art)

---
 _templates/raylib/pixelart/.gitignore    |  1 +
 _templates/raylib/pixelart/Makefile      | 11 ++++++
 _templates/raylib/pixelart/main.c        | 45 ++++++++++++++++++++++++
 _templates/raylib/pixelart/template.toml | 14 ++++++++
 _templates/raylib/pixelart/upscale.frag  | 15 ++++++++
 new.py                                   |  2 +-
 6 files changed, 87 insertions(+), 1 deletion(-)
 create mode 100644 _templates/raylib/pixelart/.gitignore
 create mode 100644 _templates/raylib/pixelart/Makefile
 create mode 100644 _templates/raylib/pixelart/main.c
 create mode 100644 _templates/raylib/pixelart/template.toml
 create mode 100644 _templates/raylib/pixelart/upscale.frag

diff --git a/_templates/raylib/pixelart/.gitignore b/_templates/raylib/pixelart/.gitignore
new file mode 100644
index 0000000..4996ad8
--- /dev/null
+++ b/_templates/raylib/pixelart/.gitignore
@@ -0,0 +1 @@
+__PROGNAME
diff --git a/_templates/raylib/pixelart/Makefile b/_templates/raylib/pixelart/Makefile
new file mode 100644
index 0000000..4d78ded
--- /dev/null
+++ b/_templates/raylib/pixelart/Makefile
@@ -0,0 +1,11 @@
+CFLAGS += -Wall -Wextra `exec pkg-config --cflags raylib`
+LDFLAGS := -lm `pkg-config --libs raylib`
+
+__PROGNAME: main.c
+	$(CC) $(CFLAGS) main.c $(LDFLAGS) -o __PROGNAME
+
+clean:
+	$(RM) __PROGNAME
+
+run: __PROGNAME
+	./__PROGNAME
diff --git a/_templates/raylib/pixelart/main.c b/_templates/raylib/pixelart/main.c
new file mode 100644
index 0000000..4d88fdd
--- /dev/null
+++ b/_templates/raylib/pixelart/main.c
@@ -0,0 +1,45 @@
+// x-run: make run
+#include <math.h>
+#include <raylib.h>
+
+int main(int argc, char **argv) {
+  SetTraceLogLevel(LOG_ERROR);
+  SetConfigFlags(FLAG_WINDOW_RESIZABLE);
+  InitWindow(__WINDOW_WIDTH * 2, __WINDOW_HEIGHT * 2, "__PROJECT");
+  const int _window_size[2] = { __WINDOW_WIDTH, __WINDOW_HEIGHT };
+
+  Image canvas = GenImageColor(__WINDOW_WIDTH, __WINDOW_HEIGHT, BLANK);
+  Texture2D t_canvas = LoadTextureFromImage(canvas);
+  SetTextureFilter(t_canvas, TEXTURE_FILTER_BILINEAR);
+  Shader shd_upscale = LoadShader(0, "upscale.frag");
+  int shdloc_texsize = GetShaderLocation(shd_upscale, "texture0_size");
+  int shdloc_scale = GetShaderLocation(shd_upscale, "px_per_tx");
+
+  for (int frame = 0; !WindowShouldClose(); frame++) {
+    BeginDrawing();
+    int window_width = GetScreenWidth(), window_height = GetScreenHeight();
+    float scale = fminf(window_width / (float)__WINDOW_WIDTH, window_height / (float)__WINDOW_HEIGHT);
+    { // BEGIN frame
+      ImageClearBackground(&canvas, GetColor(0x1A1A1AFF));
+      ImageDrawText(&canvas, TextFormat("scale: %7.2fx", scale), 20, 20, 20, WHITE);
+    } // END frame
+    { // BEGIN update
+      UpdateTexture(t_canvas, canvas.data);
+      BeginShaderMode(shd_upscale);
+      SetShaderValue(shd_upscale, shdloc_texsize, _window_size, SHADER_UNIFORM_IVEC2);
+      SetShaderValue(shd_upscale, shdloc_scale, &scale, SHADER_UNIFORM_FLOAT);
+      int texture_width = scale * __WINDOW_WIDTH, texture_height = scale * __WINDOW_HEIGHT;
+
+      ClearBackground(BLACK);
+      DrawTexturePro(t_canvas, (Rectangle) {
+        0, 0, __WINDOW_WIDTH, __WINDOW_HEIGHT
+      }, (Rectangle) {
+        floorf((window_width - texture_width) / 2.0),
+        floorf((window_height - texture_height) / 2.0),
+        texture_width, texture_height
+      }, (Vector2) { 0, 0 }, 0.0, WHITE);
+      EndShaderMode();
+    } // END update
+    EndDrawing();
+  }
+}
diff --git a/_templates/raylib/pixelart/template.toml b/_templates/raylib/pixelart/template.toml
new file mode 100644
index 0000000..9cf869a
--- /dev/null
+++ b/_templates/raylib/pixelart/template.toml
@@ -0,0 +1,14 @@
+name = "Raylib project with fancy pixel-art scaling and software-rendered canvas"
+templates = [
+    "Makefile",
+    "main.c",
+    ".gitignore"
+]
+
+[params.WINDOW_WIDTH]
+prompt = "Initial window width"
+default = "480"
+
+[params.WINDOW_HEIGHT]
+prompt = "Initial window height"
+default = "320"
diff --git a/_templates/raylib/pixelart/upscale.frag b/_templates/raylib/pixelart/upscale.frag
new file mode 100644
index 0000000..08365a6
--- /dev/null
+++ b/_templates/raylib/pixelart/upscale.frag
@@ -0,0 +1,15 @@
+#version 330
+uniform sampler2D texture0;
+uniform ivec2 texture0_size;
+uniform float px_per_tx;
+
+in vec2 fragTexCoord;
+in vec4 fragColor;
+out vec4 finalColor;
+
+void main() { vec2 uv = vec2(fragTexCoord.x, fragTexCoord.y);
+  vec2 tx = uv * vec2(texture0_size);
+  vec2 off = clamp(fract(tx) * px_per_tx, 0, 0.5) - clamp((1 - fract(tx)) * px_per_tx, 0, 0.5);
+  vec2 pos = (floor(tx) + 0.5 + off) / vec2(texture0_size);
+  finalColor = texture(texture0, pos);
+}
diff --git a/new.py b/new.py
index 419ce55..cdc66ef 100644
--- a/new.py
+++ b/new.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-from typing import Any, Literal, Optional
+from typing import Any, Optional
 from tomllib import load
 from pathlib import Path
 from dataclasses import dataclass, field