Update model shader names & more

1 files changed, 49 insertions, 0 deletions

diff --git a/shaders/model.vert.slang b/shaders/model.vert.slang
new file mode 100644
index 0000000..380ff37
--- /dev/null
+++ b/shaders/model.vert.slang
@@ -0,0 +1,49 @@
+/*
+ * Tuxánci 2 - A first person shooter
+ * Copyright (C) 2025-2026  Connor Thomson
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+struct model_uniforms {
+    float4x4 mvp;
+    float4x4 model;
+    float3   camera_position;
+    float    padding;
+};
+
+[[vk::binding(0, 1)]]
+ConstantBuffer<model_uniforms> uniforms : register(b0, space1);
+
+struct VSInput {
+    float3 position : POSITION0;
+    float3 normal   : NORMAL0;
+};
+
+struct VSOutput {
+    float4 position        : SV_Position;
+    float3 normal          : TEXCOORD0;
+    float3 world_position  : TEXCOORD1;
+    float3 camera_position : TEXCOORD2;
+};
+
+VSOutput main(VSInput input) {
+    VSOutput output;
+    float4 world_position  = mul(uniforms.model, float4(input.position, 1.0));
+    output.position        = mul(uniforms.mvp, float4(input.position, 1.0));
+    output.normal          = normalize(mul((float3x3)uniforms.model, input.normal));
+    output.world_position  = world_position.xyz;
+    output.camera_position = uniforms.camera_position;
+    return output;
+}
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