Arachnoid GLESv1.1 plugin. Compile and run (a bit glitchy and no frameskip) on the...

[mupen64plus-pandora.git] / source / mupen64plus-video-arachnoid / src / RSP / RSPLightManager.cpp

diff --git a/source/mupen64plus-video-arachnoid/src/RSP/RSPLightManager.cpp b/source/mupen64plus-video-arachnoid/src/RSP/RSPLightManager.cpp
new file mode 100755 (executable)
index 0000000..3384fcb
--- /dev/null
+++ b/source/mupen64plus-video-arachnoid/src/RSP/RSPLightManager.cpp
@@ -0,0 +1,105 @@
+/******************************************************************************
+ * Arachnoid Graphics Plugin for Mupen64Plus
+ * http://bitbucket.org/wahrhaft/mupen64plus-video-arachnoid/
+ *
+ * Copyright (C) 2007 Kristofer Karlsson, Rickard Niklasson
+ *
+ * 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 2
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *****************************************************************************/
+
+#include "RSPLightManager.h"
+#include "Memory.h"
+#include "MathLib.h"
+#include "GBI.h"
+#include "Logger.h"
+
+#define RGBA_GETALPHA(rgb)      ((rgb) >> 24)
+#define RGBA_GETRED(rgb)        (((rgb) >> 16) & 0xff)
+#define RGBA_GETGREEN(rgb)      (((rgb) >> 8) & 0xff)
+#define RGBA_GETBLUE(rgb)       ((rgb) & 0xff)
+
+//-----------------------------------------------------------------------------
+//! Constructor
+//-----------------------------------------------------------------------------
+RSPLightManager::RSPLightManager() 
+{
+}
+
+//-----------------------------------------------------------------------------
+//! Destructor
+//-----------------------------------------------------------------------------
+RSPLightManager::~RSPLightManager()
+{
+}
+
+bool RSPLightManager::initialize(Memory* memory)
+{
+    m_memory = memory;
+    m_numLights = 0;
+    m_lightEnabled = false;
+
+    return true;
+}
+
+//-----------------------------------------------------------------------------
+// Set Light
+//-----------------------------------------------------------------------------
+void RSPLightManager::setLight( unsigned int lightIndex, unsigned int rdramAddress  )
+{
+    //Error control 
+    if ((rdramAddress + sizeof(RDRAMLight)) > m_memory->getRDRAMSize() ) {
+        return;
+    }
+
+    //Get Light from memory
+    RDRAMLight* light = (RDRAMLight*)m_memory->getRDRAM(rdramAddress);
+
+    if ( lightIndex < 8 ) //Only supports 8 lights
+    {
+        m_lights[lightIndex].r = light->r * 0.0039215689f;  //Convert from 0-255 to 0-1
+        m_lights[lightIndex].g = light->g * 0.0039215689f;
+        m_lights[lightIndex].b = light->b * 0.0039215689f;
+
+        m_lights[lightIndex].x = light->x;
+        m_lights[lightIndex].y = light->y;
+        m_lights[lightIndex].z = light->z;    
+
+        Vec3Normalize( &m_lights[lightIndex].x );
+    }
+}
+
+//-----------------------------------------------------------------------------
+// Set Num Lights
+//-----------------------------------------------------------------------------
+void RSPLightManager::setNumLights(int numLights)
+{
+    if (numLights <= 8) 
+    {
+        m_numLights = numLights;    
+    }
+}
+
+//-----------------------------------------------------------------------------
+// Set Light Color
+//-----------------------------------------------------------------------------
+void RSPLightManager::setLightColor( unsigned int lightIndex, unsigned int packedColor )
+{
+    if (lightIndex < 8)
+    {
+        m_lights[lightIndex].r = _SHIFTR( packedColor, 24, 8 ) * 0.0039215689f;
+        m_lights[lightIndex].g = _SHIFTR( packedColor, 16, 8 ) * 0.0039215689f;
+        m_lights[lightIndex].b = _SHIFTR( packedColor, 8, 8 ) * 0.0039215689f;
+    }
+}