Memory reading CWCheat

hrydgard · May 16, 2020 · 1d05444 · 1d05444
1 parent 7cd6c82
commit 1d05444
Showing 1 changed file with 34 additions and 0 deletions.
diff --git a/Core/CwCheat.cpp b/Core/CwCheat.cpp
@@ -422,6 +422,7 @@ enum class CheatOp {
 	Vibration,
 	VibrationFromMemory,
 	PostShader,
+	PostShaderFromMemory,
 	Delay,
 
 	Assert,
@@ -482,6 +483,7 @@ struct CheatOperation {
 				uint32_t i;
 			} value;
 			uint8_t uniform;
+			uint8_t format;
 		} PostShaderUniform;
 	};
 };
@@ -635,6 +637,14 @@ CheatOperation CWCheatEngine::InterpretNextCwCheat(const CheatCode &cheat, size_
 				op.PostShaderUniform.value.i = line1.part2;
 				return op;
 			}
+		case 0x3: // 0x3 sets postprocessing shader uniform from memory
+			{
+				addr = line1.part2;
+				CheatOperation op = { CheatOp::PostShaderFromMemory, addr };
+				op.PostShaderUniform.uniform = line1.part1 & 0x000000FF;
+				op.PostShaderUniform.format = (line1.part1 >> 8) & 0x000000FF;
+				return op;
+			}
 		// Place for other PPSSPP specific cheats
 		default:
 			return { CheatOp::Invalid };
@@ -939,6 +949,30 @@ void CWCheatEngine::ExecuteOp(const CheatOperation &op, const CheatCode &cheat,
 			g_Config.mPostShaderSetting[StringFromFormat("%sSettingValue%d", g_Config.sPostShaderName.c_str(), op.PostShaderUniform.uniform + 1)] = op.PostShaderUniform.value.f;
 		break;
 
+	case CheatOp::PostShaderFromMemory:
+		if (Memory::IsValidAddress(op.addr) && op.PostShaderUniform.uniform >= 0 && op.PostShaderUniform.uniform < 4) {
+			union {
+				float f;
+				uint32_t u;
+			} value;
+			value.u = Memory::Read_U32(op.addr);
+			switch (op.PostShaderUniform.format) {
+			case (0):
+				g_Config.mPostShaderSetting[StringFromFormat("%sSettingValue%d", g_Config.sPostShaderName.c_str(), op.PostShaderUniform.uniform + 1)] = value.u & 0x000000FF;
+				break;
+			case (1):
+				g_Config.mPostShaderSetting[StringFromFormat("%sSettingValue%d", g_Config.sPostShaderName.c_str(), op.PostShaderUniform.uniform + 1)] = value.u & 0x0000FFFF;
+				break;
+			case (2):
+				g_Config.mPostShaderSetting[StringFromFormat("%sSettingValue%d", g_Config.sPostShaderName.c_str(), op.PostShaderUniform.uniform + 1)] = value.u;
+				break;
+			case (3):
+				g_Config.mPostShaderSetting[StringFromFormat("%sSettingValue%d", g_Config.sPostShaderName.c_str(), op.PostShaderUniform.uniform + 1)] = value.f;
+				break;
+			}
+		}
+		break;
+
 	case CheatOp::Delay:
 		// TODO: Not supported.
 		break;