Added a helper for getting model triangle vertexes, mostly used in Decal for now.

[lugaru.git] / Source / Graphic / Models.cpp

diff --git a/Source/Graphic/Models.cpp b/Source/Graphic/Models.cpp
index 78970d5d7a0ab9ff131759bde853007f377cd34b..09036ae9d5009e9d85e4e442a4d0c755c288f2d6 100644 (file)
--- a/Source/Graphic/Models.cpp
+++ b/Source/Graphic/Models.cpp
@@ -395,7 +395,7 @@ bool Model::loadnotex(const std::string& filename)
 {
     FILE *tfile;
     long i;
-    int TriangleNum;
+    short triangleNum;
 
     type = notextype;
     color = 0;
@@ -405,7 +405,7 @@ bool Model::loadnotex(const std::string& filename)
     // read model settings
 
     fseek(tfile, 0, SEEK_SET);
-    funpackf(tfile, "Bs Bs", &vertexNum, &TriangleNum);
+    funpackf(tfile, "Bs Bs", &vertexNum, &triangleNum);
 
     // read the model data
     deallocate();
@@ -414,14 +414,14 @@ bool Model::loadnotex(const std::string& filename)
 
     owner = (int*)malloc(sizeof(int) * vertexNum);
     vertex = (XYZ*)malloc(sizeof(XYZ) * vertexNum);
-    Triangles.resize(TriangleNum);
-    vArray = (GLfloat*)malloc(sizeof(GLfloat) * TriangleNum * 24);
+    Triangles.resize(triangleNum);
+    vArray = (GLfloat*)malloc(sizeof(GLfloat) * triangleNum * 24);
 
     for (i = 0; i < vertexNum; i++) {
         funpackf(tfile, "Bf Bf Bf", &vertex[i].x, &vertex[i].y, &vertex[i].z);
     }
 
-    for (i = 0; i < TriangleNum; i++) {
+    for (i = 0; i < triangleNum; i++) {
         short vertex[6];
         funpackf(tfile, "Bs Bs Bs Bs Bs Bs", &vertex[0], &vertex[1], &vertex[2], &vertex[3], &vertex[4], &vertex[5]);
         Triangles[i].vertex[0] = vertex[0];
@@ -458,7 +458,7 @@ bool Model::load(const std::string& filename)
 {
     FILE *tfile;
     long i;
-    int TriangleNum;
+    short triangleNum;
 
     LOGFUNC;
 
@@ -474,7 +474,7 @@ bool Model::load(const std::string& filename)
     // read model settings
 
     fseek(tfile, 0, SEEK_SET);
-    funpackf(tfile, "Bs Bs", &vertexNum, &TriangleNum);
+    funpackf(tfile, "Bs Bs", &vertexNum, &triangleNum);
 
     // read the model data
     deallocate();
@@ -484,14 +484,14 @@ bool Model::load(const std::string& filename)
     owner = (int*)malloc(sizeof(int) * vertexNum);
     vertex = (XYZ*)malloc(sizeof(XYZ) * vertexNum);
     normals = (XYZ*)malloc(sizeof(XYZ) * vertexNum);
-    Triangles.resize(TriangleNum);
-    vArray = (GLfloat*)malloc(sizeof(GLfloat) * TriangleNum * 24);
+    Triangles.resize(triangleNum);
+    vArray = (GLfloat*)malloc(sizeof(GLfloat) * triangleNum * 24);
 
     for (i = 0; i < vertexNum; i++) {
         funpackf(tfile, "Bf Bf Bf", &vertex[i].x, &vertex[i].y, &vertex[i].z);
     }
 
-    for (i = 0; i < TriangleNum; i++) {
+    for (i = 0; i < triangleNum; i++) {
         short vertex[6];
         funpackf(tfile, "Bs Bs Bs Bs Bs Bs", &vertex[0], &vertex[1], &vertex[2], &vertex[3], &vertex[4], &vertex[5]);
         Triangles[i].vertex[0] = vertex[0];
@@ -530,14 +530,13 @@ bool Model::loaddecal(const std::string& filename)
 {
     FILE *tfile;
     long i, j;
-    int TriangleNum;
+    short triangleNum;
 
     LOGFUNC;
 
     LOG(std::string("Loading decal...") + Folders::getResourcePath(filename));
 
     type = decalstype;
-    decals.clear();
     color = 0;
 
     tfile = Folders::openMandatoryFile( Folders::getResourcePath(filename), "rb" );
@@ -545,7 +544,7 @@ bool Model::loaddecal(const std::string& filename)
     // read model settings
 
     fseek(tfile, 0, SEEK_SET);
-    funpackf(tfile, "Bs Bs", &vertexNum, &TriangleNum);
+    funpackf(tfile, "Bs Bs", &vertexNum, &triangleNum);
 
     // read the model data
 
@@ -556,14 +555,14 @@ bool Model::loaddecal(const std::string& filename)
     owner = (int*)malloc(sizeof(int) * vertexNum);
     vertex = (XYZ*)malloc(sizeof(XYZ) * vertexNum);
     normals = (XYZ*)malloc(sizeof(XYZ) * vertexNum);
-    Triangles.resize(TriangleNum);
-    vArray = (GLfloat*)malloc(sizeof(GLfloat) * TriangleNum * 24);
+    Triangles.resize(triangleNum);
+    vArray = (GLfloat*)malloc(sizeof(GLfloat) * triangleNum * 24);
 
     for (i = 0; i < vertexNum; i++) {
         funpackf(tfile, "Bf Bf Bf", &vertex[i].x, &vertex[i].y, &vertex[i].z);
     }
 
-    for (i = 0; i < TriangleNum; i++) {
+    for (i = 0; i < triangleNum; i++) {
         short vertex[6];
         funpackf(tfile, "Bs Bs Bs Bs Bs Bs", &vertex[0], &vertex[1], &vertex[2], &vertex[3], &vertex[4], &vertex[5]);
         Triangles[i].vertex[0] = vertex[0];
@@ -602,7 +601,7 @@ bool Model::loadraw(const std::string& filename)
 {
     FILE *tfile;
     long i;
-    int TriangleNum;
+    short triangleNum;
 
     LOGFUNC;
 
@@ -616,7 +615,7 @@ bool Model::loadraw(const std::string& filename)
     // read model settings
 
     fseek(tfile, 0, SEEK_SET);
-    funpackf(tfile, "Bs Bs", &vertexNum, &TriangleNum);
+    funpackf(tfile, "Bs Bs", &vertexNum, &triangleNum);
 
     // read the model data
     deallocate();
@@ -625,15 +624,15 @@ bool Model::loadraw(const std::string& filename)
 
     owner = (int*)malloc(sizeof(int) * vertexNum);
     vertex = (XYZ*)malloc(sizeof(XYZ) * vertexNum);
-    Triangles.resize(TriangleNum);
-    vArray = (GLfloat*)malloc(sizeof(GLfloat) * TriangleNum * 24);
+    Triangles.resize(triangleNum);
+    vArray = (GLfloat*)malloc(sizeof(GLfloat) * triangleNum * 24);
 
 
     for (i = 0; i < vertexNum; i++) {
         funpackf(tfile, "Bf Bf Bf", &vertex[i].x, &vertex[i].y, &vertex[i].z);
     }
 
-    for (i = 0; i < TriangleNum; i++) {
+    for (i = 0; i < triangleNum; i++) {
         short vertex[6];
         funpackf(tfile, "Bs Bs Bs Bs Bs Bs", &vertex[0], &vertex[1], &vertex[2], &vertex[3], &vertex[4], &vertex[5]);
         Triangles[i].vertex[0] = vertex[0];
@@ -880,33 +879,6 @@ void Model::draw()
     glDisableClientState(GL_TEXTURE_COORD_ARRAY);
 }
 
-//TODO: phase out in favor of Texture
-void Model::drawdifftex(GLuint texture)
-{
-    glEnableClientState(GL_NORMAL_ARRAY);
-    glEnableClientState(GL_VERTEX_ARRAY);
-    glEnableClientState(GL_TEXTURE_COORD_ARRAY);
-    if (color) {
-        glInterleavedArrays( GL_T2F_C3F_V3F, 8 * sizeof(GLfloat), &vArray[0]);
-    } else {
-        glInterleavedArrays( GL_T2F_N3F_V3F, 8 * sizeof(GLfloat), &vArray[0]);
-    }
-
-    glBindTexture(GL_TEXTURE_2D, (unsigned long)texture);
-    glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT );
-    glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT );
-
-    glDrawArrays(GL_TRIANGLES, 0, Triangles.size() * 3);
-
-    if (color) {
-        glDisableClientState(GL_COLOR_ARRAY);
-    } else {
-        glDisableClientState(GL_NORMAL_ARRAY);
-    }
-    glDisableClientState(GL_VERTEX_ARRAY);
-    glDisableClientState(GL_TEXTURE_COORD_ARRAY);
-}
-
 void Model::drawdifftex(Texture texture)
 {
     glEnableClientState(GL_NORMAL_ARRAY);
@@ -936,14 +908,13 @@ void Model::drawdifftex(Texture texture)
 void Model::drawdecals(Texture shadowtexture, Texture bloodtexture, Texture bloodtexture2, Texture breaktexture)
 {
     if (decalstoggle) {
-        if (type != decalstype)
+        if (type != decalstype) {
             return;
-        static int lasttype;
-        static bool blend;
+        }
 
-        blend = 1;
+        bool blend = true;
+        int lasttype = -1;
 
-        lasttype = -1;
         glEnable(GL_BLEND);
         glDisable(GL_LIGHTING);
         glDisable(GL_CULL_FACE);
@@ -1056,7 +1027,7 @@ void Model::MakeDecal(decal_type atype, XYZ *where, float *size, float *opacity,
                     if (Triangles[i].facenormal.y < -.1 && (vertex[Triangles[i].vertex[0]].y < where->y || vertex[Triangles[i].vertex[1]].y < where->y || vertex[Triangles[i].vertex[2]].y < where->y)) {
                         distance = abs(((Triangles[i].facenormal.x * where->x) + (Triangles[i].facenormal.y * where->y) + (Triangles[i].facenormal.z * where->z) - ((Triangles[i].facenormal.x * vertex[Triangles[i].vertex[0]].x) + (Triangles[i].facenormal.y * vertex[Triangles[i].vertex[0]].y) + (Triangles[i].facenormal.z * vertex[Triangles[i].vertex[0]].z))) / Triangles[i].facenormal.y);
 
-                        if (*opacity - distance / 10 > 0) {
+                        if ((*opacity - distance / 10) > 0) {
                             Decal decal(*where, atype, *opacity - distance / 10, *rotation, *size, *this, i, 0);
 
                             if (!(decal.texcoords[0][0] < 0 && decal.texcoords[1][0] < 0 && decal.texcoords[2][0] < 0))
@@ -1097,7 +1068,7 @@ void Model::MakeDecal(decal_type atype, XYZ where, float size, float opacity, fl
                 for (unsigned int i = 0; i < Triangles.size(); i++) {
                     distance = abs(((Triangles[i].facenormal.x * where.x) + (Triangles[i].facenormal.y * where.y) + (Triangles[i].facenormal.z * where.z) - ((Triangles[i].facenormal.x * vertex[Triangles[i].vertex[0]].x) + (Triangles[i].facenormal.y * vertex[Triangles[i].vertex[0]].y) + (Triangles[i].facenormal.z * vertex[Triangles[i].vertex[0]].z))));
                     if (distance < .02 && abs(Triangles[i].facenormal.y) > abs(Triangles[i].facenormal.x) && abs(Triangles[i].facenormal.y) > abs(Triangles[i].facenormal.z)) {
-                        if (opacity - distance / 10 > 0) {
+                        if ((opacity - distance / 10) > 0) {
                             Decal decal(where, atype, opacity - distance / 10, rotation, size, *this, i, 0);
 
                             if (!(decal.texcoords[0][0] < 0 && decal.texcoords[1][0] < 0 && decal.texcoords[2][0] < 0))
@@ -1120,7 +1091,7 @@ void Model::MakeDecal(decal_type atype, XYZ where, float size, float opacity, fl
                                         }
                         }
                     } else if (distance < .02 && abs(Triangles[i].facenormal.x) > abs(Triangles[i].facenormal.y) && abs(Triangles[i].facenormal.x) > abs(Triangles[i].facenormal.z)) {
-                        if (opacity - distance / 10 > 0) {
+                        if ((opacity - distance / 10) > 0) {
                             Decal decal(where, atype, opacity - distance / 10, rotation, size, *this, i, 1);
 
                             if (!(decal.texcoords[0][0] < 0 && decal.texcoords[1][0] < 0 && decal.texcoords[2][0] < 0))
@@ -1143,7 +1114,7 @@ void Model::MakeDecal(decal_type atype, XYZ where, float size, float opacity, fl
                                         }
                         }
                     } else if (distance < .02 && abs(Triangles[i].facenormal.z) > abs(Triangles[i].facenormal.y) && abs(Triangles[i].facenormal.z) > abs(Triangles[i].facenormal.x)) {
-                        if (opacity - distance / 10 > 0) {
+                        if ((opacity - distance / 10) > 0) {
                             Decal decal(where, atype, opacity - distance / 10, rotation, size, *this, i, 2);
 
                             if (!(decal.texcoords[0][0] < 0 && decal.texcoords[1][0] < 0 && decal.texcoords[2][0] < 0))
@@ -1170,6 +1141,11 @@ void Model::MakeDecal(decal_type atype, XYZ where, float size, float opacity, fl
     }
 }
 
+const XYZ& Model::getTriangleVertex(unsigned triangleId, unsigned vertexId) const
+{
+    return vertex[Triangles[triangleId].vertex[vertexId]];
+}
+
 void Model::deleteDeadDecals()
 {
     for (int i = decals.size() - 1; i >= 0; i--) {
@@ -1201,24 +1177,21 @@ void Model::deallocate()
     if (vArray)
         free(vArray);
     vArray = 0;
+
+    decals.clear();
 }
 
 Model::Model()
   : vertexNum(0),
-    hastexture(0),
-    type(0), oldtype(0),
+    type(nothing),
     owner(0),
     vertex(0),
     normals(0),
-    vArray(0)
+    vArray(0),
+    color(0),
+    boundingspherecenter(),
+    boundingsphereradius(0),
+    flat(false)
 {
     memset(&modelTexture, 0, sizeof(modelTexture));
-    color = 0;
-
-    boundingspherecenter = 0;
-    boundingsphereradius = 0;
-
-    flat = 0;
-
-    type = nothing;
 }