From 7f1774054ab9ae24f756bec3637eb0446ef1013c Mon Sep 17 00:00:00 2001
From: Chris Laurel <claurel@gmail.com>
Date: Fri, 16 Mar 2001 21:26:29 +0000
Subject: [PATCH] Added user settable BumpHeight parameter for bump maps.

---
 src/render.cpp     |  3 ++-
 src/solarsys.cpp   | 32 ++++++++++++++++++++++++++++++++
 src/surface.h      |  1 +
 src/texmanager.cpp |  4 ++--
 src/texmanager.h   |  2 +-
 5 files changed, 38 insertions(+), 4 deletions(-)

diff --git a/src/render.cpp b/src/render.cpp
index b110819c..86cb766c 100644
--- a/src/render.cpp
+++ b/src/render.cpp
@@ -874,7 +874,8 @@ void Renderer::renderPlanet(const Body& body,
             surface.bumpTexture != "")
         {
             if (!textureManager->find(surface.bumpTexture, &bumpTex))
-                bumpTex = textureManager->loadBumpMap(surface.bumpTexture);
+                bumpTex = textureManager->loadBumpMap(surface.bumpTexture,
+                                                      surface.bumpHeight);
         }
 
         if (tex == NULL)
diff --git a/src/solarsys.cpp b/src/solarsys.cpp
index a61e1899..cd194bc3 100644
--- a/src/solarsys.cpp
+++ b/src/solarsys.cpp
@@ -52,6 +52,33 @@ Planet SolSystem[] =
 };
 
 
+static Surface* CreateSurface(Hash* surfaceData)
+{
+    Surface* surface = new Surface();
+
+    surface->color = Color(1.0f, 1.0f, 1.0f);
+    surfaceData->getColor("Color", surface->color);
+    bool applyBaseTexture = surfaceData->getString("Texture", surface->baseTexture);
+    bool applyBumpMap = surfaceData->getString("BumpMap", surface->bumpTexture);
+    surface->bumpHeight = 2.5f;
+    surfaceData->getNumber("BumpHeight", surface->bumpHeight);
+    bool blendTexture = false;
+    surfaceData->getBoolean("BlendTexture", blendTexture);
+    bool compressTexture = false;
+    surfaceData->getBoolean("CompressTexture", compressTexture);
+    if (blendTexture)
+        surface->appearanceFlags |= Surface::BlendTexture;
+    if (applyBaseTexture)
+        surface->appearanceFlags |= Surface::ApplyBaseTexture;
+    if (applyBumpMap)
+        surface->appearanceFlags |= Surface::ApplyBumpMap;
+    if (compressTexture)
+        surface->appearanceFlags |= Surface::CompressBaseTexture;
+
+    return surface;
+}
+
+
 static Body* createSatellite(Planet* p)
 {
     EllipticalOrbit* orbit = new EllipticalOrbit(astro::AUtoKilometers(p->semiMajorAxis),
@@ -167,6 +194,7 @@ static Body* CreatePlanet(PlanetarySystem* system,
     planetData->getNumber("RotationPeriod", rotationPeriod);
     body->setRotationPeriod(rotationPeriod);
 
+#if 0    
     Surface surface;
     surface.color = Color(1.0f, 1.0f, 1.0f);
     planetData->getColor("Color", surface.color);
@@ -185,6 +213,10 @@ static Body* CreatePlanet(PlanetarySystem* system,
     if (compressTexture)
         surface.appearanceFlags |= Surface::CompressBaseTexture;
     body->setSurface(surface);
+#endif
+    Surface* surface = CreateSurface(planetData);
+    body->setSurface(*surface);
+    delete surface;
     
     string mesh("");
     planetData->getString("Mesh", mesh);
diff --git a/src/surface.h b/src/surface.h
index 8fa6b059..100a0e3b 100644
--- a/src/surface.h
+++ b/src/surface.h
@@ -33,6 +33,7 @@ class Surface
     std::string baseTexture;
     std::string bumpTexture;
     uint32 appearanceFlags;
+    float bumpHeight;
 };
 
 #endif // _SURFACE_H_
diff --git a/src/texmanager.cpp b/src/texmanager.cpp
index ce0c6bf9..63f38e3b 100644
--- a/src/texmanager.cpp
+++ b/src/texmanager.cpp
@@ -43,13 +43,13 @@ CTexture* TextureManager::load(const string& name, bool compress)
 }
 
 
-CTexture* TextureManager::loadBumpMap(const string& name)
+CTexture* TextureManager::loadBumpMap(const string& name, float bumpHeight)
 {
     DPRINTF("Loading bump map: %s\n", name.c_str());
     CTexture* tex = LoadTextureFromFile(baseDir + "\\" + name);
     if (tex != NULL)
     {
-        tex->normalMap(2.5f, true);
+        tex->normalMap(bumpHeight, true);
         tex->bindName(CTexture::WrapTexture);
     }
     addResource(name, static_cast<void*>(tex));
diff --git a/src/texmanager.h b/src/texmanager.h
index ada4fca7..2d1ab3ce 100644
--- a/src/texmanager.h
+++ b/src/texmanager.h
@@ -26,7 +26,7 @@ class TextureManager : public ResourceManager
 
     bool find(const std::string& name, CTexture**);
     CTexture* load(const std::string& name, bool compress = false);
-    CTexture* loadBumpMap(const std::string& name);
+    CTexture* loadBumpMap(const std::string& name, float bumpHeight);
 };
 
 #endif // _TEXMANAGER_H_