refactor file structure

src/engine/render/misc.c

@@ -0,0 +1,48 @@
+#include <dangerzone/engine.h>
+#include <dangerzone/render/misc.h>
+#include <dangerzone/render/rect.h>
+
+#include "internal/util/error.h"
+#include <stdint.h>
+
+// alter a pixel at an imaginary x & y coordinates
+void 
+put_pixel(
+	unsigned int x, 
+	unsigned int y, 
+	uint32_t color
+) {
+	uint16_t w = game_state->width;
+	uint16_t h = game_state->height;
+
+	if (x < 0 || x >= w || y < 0 || y >= h) {
+		eprintf(
+			"CRITICAL: attempted buffer overflow in put_pixel\n"
+			"at x = %d, y = %d", x, y
+		);
+	} else {
+		game_state->framebuffer[game_state->width * y + x]
+			= color;
+
+	    mark_dirty_rect(x, y, 1, 1);
+	}
+}
+
+// fill the entire framebuffer with a given color
+void
+clear_framebuffer(
+	uint32_t color
+) {
+    for (size_t i = 0;
+         i < (size_t)game_state->width * game_state->height;
+         ++i) {
+        game_state->framebuffer[i] = color;
+    }
+
+    mark_dirty_rect(
+        0,
+        0,
+        game_state->width,
+        game_state->height
+    );
+}