From ac55c3e3249603e4a77dc2bd7dc97f372dad6f78 Mon Sep 17 00:00:00 2001
From: wheremyfoodat <44909372+wheremyfoodat@users.noreply.github.com>
Date: Fri, 19 Jul 2024 03:01:12 +0300
Subject: [PATCH] Shadergen: Fix small register decoding oopsie

---
 include/PICA/pica_frag_config.hpp | 2 +-
 include/PICA/regs.hpp             | 1 +
 src/core/PICA/shader_gen_glsl.cpp | 4 ++--
 3 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/include/PICA/pica_frag_config.hpp b/include/PICA/pica_frag_config.hpp
index cdb688545..5338f7194 100644
--- a/include/PICA/pica_frag_config.hpp
+++ b/include/PICA/pica_frag_config.hpp
@@ -116,7 +116,7 @@ namespace PICA {
 
 			for (int i = 0; i < totalLightCount; i++) {
 				auto& light = lights[i];
-				const u32 lightConfig = 0x149 + 0x10 * i;
+				const u32 lightConfig = regs[InternalRegs::Light0Config + 0x10 * i];
 
 				light.num = (regs[InternalRegs::LightPermutation] >> (i * 4)) & 0x7;
 				light.directional = Helpers::getBit<0>(lightConfig);
diff --git a/include/PICA/regs.hpp b/include/PICA/regs.hpp
index 2482c25b4..4518e16a3 100644
--- a/include/PICA/regs.hpp
+++ b/include/PICA/regs.hpp
@@ -77,6 +77,7 @@ namespace PICA {
 			Light0Z = 0x145,
 			Light0SpotlightXY = 0x146,
 			Light0SpotlightZ = 0x147,
+			Light0Config = 0x149,
 			Light0AttenuationBias = 0x14A,
 			Light0AttenuationScale = 0x14B,
 
diff --git a/src/core/PICA/shader_gen_glsl.cpp b/src/core/PICA/shader_gen_glsl.cpp
index 21b553385..a892e514c 100644
--- a/src/core/PICA/shader_gen_glsl.cpp
+++ b/src/core/PICA/shader_gen_glsl.cpp
@@ -485,9 +485,9 @@ void FragmentGenerator::compileLights(std::string& shader, const PICA::FragmentC
 		shader += "light_position = lightSources[" + std::to_string(lightID) + "].position;\n";
 
 		if (lightConfig.directional) {  // Directional lighting
-			shader += "light_vector = light_position + v_view;\n";
-		} else {  // Positional lighting
 			shader += "light_vector = light_position;\n";
+		} else {  // Positional lighting
+			shader += "light_vector = light_position + v_view;\n";
 		}
 
 		shader += R"(