core bullet physics support,

initial vstrafe support

1 files changed, 127 insertions, 0 deletions

diff --git a/src/render/debugdrawer.cc b/src/render/debugdrawer.cc
new file mode 100644
index 0000000..03d5746
--- /dev/null
+++ b/src/render/debugdrawer.cc
@@ -0,0 +1,127 @@
+/*
+   render/debugdrawer.h
+   This file is part of the Osirion project and is distributed under
+   the terms of the GNU General Public License version 2
+*/
+
+#include "render/debugdrawer.h"
+#include "render/gl.h"
+#include "sys/sys.h"
+
+namespace render {
+
+DebugDrawer bullet_debugdrawer;
+	
+DebugDrawer::DebugDrawer()
+{
+	debugdrawer_debugmode = btIDebugDraw::DBG_DrawWireframe + btIDebugDraw::DBG_DrawConstraints;
+}
+
+DebugDrawer::~DebugDrawer()
+{
+}
+
+void DebugDrawer::drawLine(const btVector3& from, const btVector3& to,const btVector3& color)
+{
+	gl::vertex(from[0], from[1], from[2]);
+	gl::vertex(to[0], to[1], to[2]);
+}
+
+void DebugDrawer::drawLine(const btVector3& from, const btVector3 & to, const btVector3 & fromColor, const btVector3 & toColor)
+{
+	gl::vertex(from[0], from[1], from[2]);
+	gl::vertex(to[0], to[1], to[2]);
+}
+
+void DebugDrawer::drawContactPoint(const btVector3 & point, const btVector3 & normal, btScalar distance , int lifetime, const btVector3 & color)
+{
+	
+}
+
+void DebugDrawer::drawSphere(btScalar radius, const btTransform & transform, const btVector3 & color)
+{
+	btVector3 start = transform.getOrigin();
+
+	const btVector3 xoffs = transform.getBasis() * btVector3(radius,0,0);
+	const btVector3 yoffs = transform.getBasis() * btVector3(0,radius,0);
+	const btVector3 zoffs = transform.getBasis() * btVector3(0,0,radius);
+
+	// XY 
+	drawLine(start-xoffs, start+yoffs, color);
+	drawLine(start+yoffs, start+xoffs, color);
+	drawLine(start+xoffs, start-yoffs, color);
+	drawLine(start-yoffs, start-xoffs, color);
+
+	// XZ
+	drawLine(start-xoffs, start+zoffs, color);
+	drawLine(start+zoffs, start+xoffs, color);
+	drawLine(start+xoffs, start-zoffs, color);
+	drawLine(start-zoffs, start-xoffs, color);
+
+	// YZ
+	drawLine(start-yoffs, start+zoffs, color);
+	drawLine(start+zoffs, start+yoffs, color);
+	drawLine(start+yoffs, start-zoffs, color);
+	drawLine(start-zoffs, start-yoffs, color);
+}
+
+void DebugDrawer::drawSphere(const btVector3 & p, btScalar radius, const btVector3 & color)
+{
+	btTransform tr;
+	tr.setIdentity();
+	tr.setOrigin(p);
+	drawSphere(radius,tr,color);
+}
+
+void DebugDrawer::drawBox(const btVector3 & bbMin, const btVector3 & bbMax, const btVector3 & color)
+{
+	drawLine(btVector3(bbMin[0], bbMin[1], bbMin[2]), btVector3(bbMax[0], bbMin[1], bbMin[2]), color);
+	drawLine(btVector3(bbMax[0], bbMin[1], bbMin[2]), btVector3(bbMax[0], bbMax[1], bbMin[2]), color);
+	drawLine(btVector3(bbMax[0], bbMax[1], bbMin[2]), btVector3(bbMin[0], bbMax[1], bbMin[2]), color);
+	drawLine(btVector3(bbMin[0], bbMax[1], bbMin[2]), btVector3(bbMin[0], bbMin[1], bbMin[2]), color);
+	drawLine(btVector3(bbMin[0], bbMin[1], bbMin[2]), btVector3(bbMin[0], bbMin[1], bbMax[2]), color);
+	drawLine(btVector3(bbMax[0], bbMin[1], bbMin[2]), btVector3(bbMax[0], bbMin[1], bbMax[2]), color);
+	drawLine(btVector3(bbMax[0], bbMax[1], bbMin[2]), btVector3(bbMax[0], bbMax[1], bbMax[2]), color);
+	drawLine(btVector3(bbMin[0], bbMax[1], bbMin[2]), btVector3(bbMin[0], bbMax[1], bbMax[2]), color);
+	drawLine(btVector3(bbMin[0], bbMin[1], bbMax[2]), btVector3(bbMax[0], bbMin[1], bbMax[2]), color);
+	drawLine(btVector3(bbMax[0], bbMin[1], bbMax[2]), btVector3(bbMax[0], bbMax[1], bbMax[2]), color);
+	drawLine(btVector3(bbMax[0], bbMax[1], bbMax[2]), btVector3(bbMin[0], bbMax[1], bbMax[2]), color);
+	drawLine(btVector3(bbMin[0], bbMax[1], bbMax[2]), btVector3(bbMin[0], bbMin[1], bbMax[2]), color);
+}
+
+void DebugDrawer::drawBox(const btVector3 & bbMin, const btVector3 & bbMax, const btTransform & trans, const btVector3 & color)
+{
+	drawLine(trans * btVector3(bbMin[0], bbMin[1], bbMin[2]), trans * btVector3(bbMax[0], bbMin[1], bbMin[2]), color);
+	drawLine(trans * btVector3(bbMax[0], bbMin[1], bbMin[2]), trans * btVector3(bbMax[0], bbMax[1], bbMin[2]), color);
+	drawLine(trans * btVector3(bbMax[0], bbMax[1], bbMin[2]), trans * btVector3(bbMin[0], bbMax[1], bbMin[2]), color);
+	drawLine(trans * btVector3(bbMin[0], bbMax[1], bbMin[2]), trans * btVector3(bbMin[0], bbMin[1], bbMin[2]), color);
+	drawLine(trans * btVector3(bbMin[0], bbMin[1], bbMin[2]), trans * btVector3(bbMin[0], bbMin[1], bbMax[2]), color);
+	drawLine(trans * btVector3(bbMax[0], bbMin[1], bbMin[2]), trans * btVector3(bbMax[0], bbMin[1], bbMax[2]), color);
+	drawLine(trans * btVector3(bbMax[0], bbMax[1], bbMin[2]), trans * btVector3(bbMax[0], bbMax[1], bbMax[2]), color);
+	drawLine(trans * btVector3(bbMin[0], bbMax[1], bbMin[2]), trans * btVector3(bbMin[0], bbMax[1], bbMax[2]), color);
+	drawLine(trans * btVector3(bbMin[0], bbMin[1], bbMax[2]), trans * btVector3(bbMax[0], bbMin[1], bbMax[2]), color);
+	drawLine(trans * btVector3(bbMax[0], bbMin[1], bbMax[2]), trans * btVector3(bbMax[0], bbMax[1], bbMax[2]), color);
+	drawLine(trans * btVector3(bbMax[0], bbMax[1], bbMax[2]), trans * btVector3(bbMin[0], bbMax[1], bbMax[2]), color);
+	drawLine(trans * btVector3(bbMin[0], bbMax[1], bbMax[2]), trans * btVector3(bbMin[0], bbMin[1], bbMax[2]), color);
+}
+void DebugDrawer::reportErrorWarning(const char *warningString)
+{
+	con_warn << warningString << std::endl;
+}
+	
+void DebugDrawer::draw3dText(const btVector3 &location, const char *textString)
+{
+}
+	
+void DebugDrawer::setDebugMode(int debugMode)
+{
+	debugdrawer_debugmode = debugMode;
+}
+	
+int DebugDrawer::getDebugMode() const
+{
+	return debugdrawer_debugmode;
+}
+
+	
+} // namespace render
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