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path: root/source/blender/blenkernel/intern/DerivedMesh.c
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Diffstat (limited to 'source/blender/blenkernel/intern/DerivedMesh.c')
-rw-r--r--source/blender/blenkernel/intern/DerivedMesh.c204
1 files changed, 196 insertions, 8 deletions
diff --git a/source/blender/blenkernel/intern/DerivedMesh.c b/source/blender/blenkernel/intern/DerivedMesh.c
index 2215c0d6bb4..705ef82fe24 100644
--- a/source/blender/blenkernel/intern/DerivedMesh.c
+++ b/source/blender/blenkernel/intern/DerivedMesh.c
@@ -62,6 +62,11 @@
#include "BKE_multires.h"
#include "BKE_armature.h"
+#ifdef WITH_GAMEENGINE
+#include "BKE_navmesh_conversion.h"
+static DerivedMesh *navmesh_dm_createNavMeshForVisualization(DerivedMesh *dm);
+#endif
+
#include "BLO_sys_types.h" // for intptr_t support
#include "GL/glew.h"
@@ -691,9 +696,11 @@ static void emDM_drawMappedFaces(DerivedMesh *dm, int (*setDrawOptions)(void *us
else {
const GLenum shade_type= drawSmooth ? GL_SMOOTH : GL_FLAT;
if (shade_type != shade_prev) {
- glShadeModel((shade_prev= shade_type));
+ if(poly_prev != GL_ZERO) glEnd();
+ glShadeModel((shade_prev= shade_type)); /* same as below but switch shading */
+ glBegin((poly_prev= poly_type));
}
- if(poly_type != poly_prev) {
+ else if(poly_type != poly_prev) {
if(poly_prev != GL_ZERO) glEnd();
glBegin((poly_prev= poly_type));
}
@@ -756,9 +763,11 @@ static void emDM_drawMappedFaces(DerivedMesh *dm, int (*setDrawOptions)(void *us
else {
const GLenum shade_type= drawSmooth ? GL_SMOOTH : GL_FLAT;
if (shade_type != shade_prev) {
- glShadeModel((shade_prev= shade_type));
+ if(poly_prev != GL_ZERO) glEnd();
+ glShadeModel((shade_prev= shade_type)); /* same as below but switch shading */
+ glBegin((poly_prev= poly_type));
}
- if(poly_type != poly_prev) {
+ else if(poly_type != poly_prev) {
if(poly_prev != GL_ZERO) glEnd();
glBegin((poly_prev= poly_type));
}
@@ -799,7 +808,7 @@ static void emDM_drawMappedFaces(DerivedMesh *dm, int (*setDrawOptions)(void *us
}
static void emDM_drawFacesTex_common(DerivedMesh *dm,
- int (*drawParams)(MTFace *tface, MCol *mcol, int matnr),
+ int (*drawParams)(MTFace *tface, int has_mcol, int matnr),
int (*drawParamsMapped)(void *userData, int index),
void *userData)
{
@@ -827,7 +836,7 @@ static void emDM_drawFacesTex_common(DerivedMesh *dm,
int flag;
if(drawParams)
- flag= drawParams(tf, mcol, efa->mat_nr);
+ flag= drawParams(tf, (mcol != NULL), efa->mat_nr);
else if(drawParamsMapped)
flag= drawParamsMapped(userData, i);
else
@@ -900,7 +909,7 @@ static void emDM_drawFacesTex_common(DerivedMesh *dm,
int flag;
if(drawParams)
- flag= drawParams(tf, mcol, efa->mat_nr);
+ flag= drawParams(tf, (mcol != NULL), efa->mat_nr);
else if(drawParamsMapped)
flag= drawParamsMapped(userData, i);
else
@@ -966,7 +975,7 @@ static void emDM_drawFacesTex_common(DerivedMesh *dm,
}
}
-static void emDM_drawFacesTex(DerivedMesh *dm, int (*setDrawOptions)(MTFace *tface, MCol *mcol, int matnr))
+static void emDM_drawFacesTex(DerivedMesh *dm, int (*setDrawOptions)(MTFace *tface, int has_mcol, int matnr))
{
emDM_drawFacesTex_common(dm, setDrawOptions, NULL, NULL);
}
@@ -2240,6 +2249,18 @@ static void mesh_calc_modifiers(Scene *scene, Object *ob, float (*inputVertexCos
add_orco_dm(ob, NULL, *deform_r, NULL, CD_ORCO);
}
+#ifdef WITH_GAMEENGINE
+ /* NavMesh - this is a hack but saves having a NavMesh modifier */
+ if ((ob->gameflag & OB_NAVMESH) && (finaldm->type == DM_TYPE_CDDM)) {
+ DerivedMesh *tdm;
+ tdm= navmesh_dm_createNavMeshForVisualization(finaldm);
+ if (finaldm != tdm) {
+ finaldm->release(finaldm);
+ finaldm= tdm;
+ }
+ }
+#endif /* WITH_GAMEENGINE */
+
*final_r = finaldm;
if(orcodm)
@@ -3074,3 +3095,170 @@ void DM_set_object_boundbox(Object *ob, DerivedMesh *dm)
boundbox_set_from_min_max(ob->bb, min, max);
}
+
+/* --- NAVMESH (begin) --- */
+#ifdef WITH_GAMEENGINE
+
+BM_INLINE int navmesh_bit(int a, int b)
+{
+ return (a & (1 << b)) >> b;
+}
+
+BM_INLINE void navmesh_intToCol(int i, float col[3])
+{
+ int r = navmesh_bit(i, 0) + navmesh_bit(i, 3) * 2 + 1;
+ int g = navmesh_bit(i, 1) + navmesh_bit(i, 4) * 2 + 1;
+ int b = navmesh_bit(i, 2) + navmesh_bit(i, 5) * 2 + 1;
+ col[0] = 1 - r*63.0f/255.0f;
+ col[1] = 1 - g*63.0f/255.0f;
+ col[2] = 1 - b*63.0f/255.0f;
+}
+
+static void navmesh_drawColored(DerivedMesh *dm)
+{
+ int a, glmode;
+ MVert *mvert = (MVert *)CustomData_get_layer(&dm->vertData, CD_MVERT);
+ MFace *mface = (MFace *)CustomData_get_layer(&dm->faceData, CD_MFACE);
+ int *polygonIdx = (int *)CustomData_get_layer(&dm->faceData, CD_RECAST);
+ float col[3];
+
+ if (!polygonIdx)
+ return;
+
+ /*
+ //UI_ThemeColor(TH_WIRE);
+ glDisable(GL_LIGHTING);
+ glLineWidth(2.0);
+ dm->drawEdges(dm, 0, 1);
+ glLineWidth(1.0);
+ glEnable(GL_LIGHTING);*/
+
+ glDisable(GL_LIGHTING);
+ /* if(GPU_buffer_legacy(dm) ) */ { /* TODO - VBO draw code, not high priority - campbell */
+ DEBUG_VBO( "Using legacy code. drawNavMeshColored\n" );
+ //glShadeModel(GL_SMOOTH);
+ glBegin(glmode = GL_QUADS);
+ for(a = 0; a < dm->numFaceData; a++, mface++) {
+ int new_glmode = mface->v4?GL_QUADS:GL_TRIANGLES;
+ int pi = polygonIdx[a];
+ if (pi <= 0) {
+ zero_v3(col);
+ }
+ else {
+ navmesh_intToCol(pi, col);
+ }
+
+ if(new_glmode != glmode) {
+ glEnd();
+ glBegin(glmode = new_glmode);
+ }
+ glColor3fv(col);
+ glVertex3fv(mvert[mface->v1].co);
+ glVertex3fv(mvert[mface->v2].co);
+ glVertex3fv(mvert[mface->v3].co);
+ if(mface->v4) {
+ glVertex3fv(mvert[mface->v4].co);
+ }
+ }
+ glEnd();
+ }
+ glEnable(GL_LIGHTING);
+}
+
+static void navmesh_DM_drawFacesTex(DerivedMesh *dm, int (*setDrawOptions)(MTFace *tface, int has_mcol, int matnr))
+{
+ (void) setDrawOptions;
+
+ navmesh_drawColored(dm);
+}
+
+static void navmesh_DM_drawFacesSolid(DerivedMesh *dm,
+ float (*partial_redraw_planes)[4],
+ int UNUSED(fast), int (*setMaterial)(int, void *attribs))
+{
+ (void) partial_redraw_planes;
+ (void) setMaterial;
+
+ //drawFacesSolid_original(dm, partial_redraw_planes, fast, setMaterial);
+ navmesh_drawColored(dm);
+}
+
+static DerivedMesh *navmesh_dm_createNavMeshForVisualization(DerivedMesh *dm)
+{
+ DerivedMesh *result;
+ int maxFaces = dm->getNumFaces(dm);
+ int *recastData;
+ int vertsPerPoly=0, nverts=0, ndtris=0, npolys=0;
+ float* verts=NULL;
+ unsigned short *dtris=NULL, *dmeshes=NULL, *polys=NULL;
+ int *dtrisToPolysMap=NULL, *dtrisToTrisMap=NULL, *trisToFacesMap=NULL;
+ int res;
+
+ result = CDDM_copy(dm);
+ if (!CustomData_has_layer(&result->faceData, CD_RECAST)) {
+ int *sourceRecastData = (int*)CustomData_get_layer(&dm->faceData, CD_RECAST);
+ if (sourceRecastData) {
+ CustomData_add_layer_named(&result->faceData, CD_RECAST, CD_DUPLICATE,
+ sourceRecastData, maxFaces, "recastData");
+ }
+ }
+ recastData = (int*)CustomData_get_layer(&result->faceData, CD_RECAST);
+
+ /* note: This is not good design! - really should not be doing this */
+ result->drawFacesTex = navmesh_DM_drawFacesTex;
+ result->drawFacesSolid = navmesh_DM_drawFacesSolid;
+
+
+ /* process mesh */
+ res = buildNavMeshDataByDerivedMesh(dm, &vertsPerPoly, &nverts, &verts, &ndtris, &dtris,
+ &npolys, &dmeshes, &polys, &dtrisToPolysMap, &dtrisToTrisMap,
+ &trisToFacesMap);
+ if (res) {
+ size_t polyIdx;
+
+ /* invalidate concave polygon */
+ for (polyIdx=0; polyIdx<(size_t)npolys; polyIdx++) {
+ unsigned short* poly = &polys[polyIdx*2*vertsPerPoly];
+ if (!polyIsConvex(poly, vertsPerPoly, verts)) {
+ /* set negative polygon idx to all faces */
+ unsigned short *dmesh = &dmeshes[4*polyIdx];
+ unsigned short tbase = dmesh[2];
+ unsigned short tnum = dmesh[3];
+ unsigned short ti;
+
+ for (ti=0; ti<tnum; ti++) {
+ unsigned short triidx = dtrisToTrisMap[tbase+ti];
+ unsigned short faceidx = trisToFacesMap[triidx];
+ if (recastData[faceidx] > 0) {
+ recastData[faceidx] = -recastData[faceidx];
+ }
+ }
+ }
+ }
+ }
+ else {
+ printf("Error during creation polygon infos\n");
+ }
+
+ /* clean up */
+ if (verts!=NULL)
+ MEM_freeN(verts);
+ if (dtris!=NULL)
+ MEM_freeN(dtris);
+ if (dmeshes!=NULL)
+ MEM_freeN(dmeshes);
+ if (polys!=NULL)
+ MEM_freeN(polys);
+ if (dtrisToPolysMap!=NULL)
+ MEM_freeN(dtrisToPolysMap);
+ if (dtrisToTrisMap!=NULL)
+ MEM_freeN(dtrisToTrisMap);
+ if (trisToFacesMap!=NULL)
+ MEM_freeN(trisToFacesMap);
+
+ return result;
+}
+
+#endif /* WITH_GAMEENGINE */
+
+/* --- NAVMESH (end) --- */
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