stuff

game/inc/suic_gameplay.c

@@ -0,0 +1,39 @@
+#include "suic_app.h"
+#include "runtime.h"
+#include <math.h>
+
+const char* suic_item_name(uint8_t t) {
+    if (t == 1) return "Medkit";
+    if (t == 2) return "Pistol ammo";
+    if (t == 3) return "Rifle ammo";
+    return "-";
+}
+
+struct Color* suic_apply_directional_lighting(
+    struct Color* baseColor,
+    struct Vector3* normal,
+    struct DirectionalLight* light
+) {
+    struct Vector3* lightDir = light->direction;
+
+    float diff = fmaxf(
+        0.0f,
+        -(lightDir->x * normal->x +
+          lightDir->y * normal->y +
+          lightDir->z * normal->z)
+    );
+
+    float brightness =
+        light->ambientIntensity +
+        diff * light->intensity * (1.0f - light->ambientIntensity);
+
+    uint8_t r = (uint8_t)(baseColor->r * brightness);
+    uint8_t g = (uint8_t)(baseColor->g * brightness);
+    uint8_t b = (uint8_t)(baseColor->b * brightness);
+
+    return suic_alloc_struct(
+        &sui_typeinfo_Color,
+        sizeof(struct Color),
+        &(struct Color){ r, g, b, baseColor->a }
+    );
+}