--- /dev/null
+/*
+Copyright (C) 2003, 2010 - Wolfire Games
+Copyright (C) 2010-2016 - Lugaru contributors (see AUTHORS file)
+
+This file is part of Lugaru.
+
+Lugaru 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.
+
+Lugaru 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 Lugaru. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "Objects/Object.hpp"
+
+extern XYZ viewer;
+extern float viewdistance;
+extern float fadestart;
+extern int environment;
+extern float texscale;
+extern Light light;
+extern float multiplier;
+extern float gravity;
+extern FRUSTUM frustum;
+extern Terrain terrain;
+extern bool foliage;
+extern int detail;
+extern float blurness;
+extern float windvar;
+extern float playerdist;
+extern bool skyboxtexture;
+
+std::vector<std::unique_ptr<Object>> Object::objects;
+XYZ Object::center;
+float Object::radius = 0;
+Texture Object::boxtextureptr;
+Texture Object::treetextureptr;
+Texture Object::bushtextureptr;
+Texture Object::rocktextureptr;
+
+//Functions
+
+Object::Object() :
+ position(),
+ type(0),
+ yaw(0),
+ pitch(0),
+ rotx(0),
+ rotxvel(0),
+ roty(0),
+ rotyvel(0),
+ possible(false),
+ model(),
+ displaymodel(),
+ friction(0),
+ scale(0),
+ messedwith(0),
+ checked(0),
+ shadowed(0),
+ occluded(0),
+ onfire(false),
+ flamedelay(0)
+{
+}
+
+Object::Object(int _type, XYZ _position, float _yaw, float _pitch, float _scale) : Object()
+{
+ scale = _scale;
+ type = _type;
+ position = _position;
+ yaw = _yaw;
+ pitch = _pitch;
+
+ switch(type) {
+ case boxtype:
+ model.loaddecal("Models/Box.solid", 0);
+ friction = 1.5;
+ break;
+ case cooltype:
+ model.loaddecal("Models/Cool.solid", 0);
+ friction = 1.5;
+ break;
+ case walltype:
+ model.loaddecal("Models/Wall.solid", 0);
+ friction = 1.5;
+ break;
+ case tunneltype:
+ model.loaddecal("Models/Tunnel.solid", 0);
+ friction = 1.5;
+ break;
+ case chimneytype:
+ model.loaddecal("Models/Chimney.solid", 0);
+ friction = 1.5;
+ break;
+ case spiketype:
+ model.load("Models/Spike.solid", 0);
+ friction = .4;
+ break;
+ case weirdtype:
+ model.loaddecal("Models/Weird.solid", 0);
+ friction = 1.5;
+ break;
+ case rocktype:
+ model.loaddecal("Models/Rock.solid", 0);
+ if (scale > .5) {
+ friction = 1.5;
+ } else {
+ friction = .5;
+ }
+ break;
+ case treetrunktype:
+ model.load("Models/TreeTrunk.solid", 0);
+ friction = .4;
+ break;
+ case treeleavestype:
+ scale += fabs((float)(Random() % 100) / 900) * scale;
+ model.load("Models/Leaves.solid", 0);
+ friction = 0;
+ break;
+ case bushtype:
+ position.y = terrain.getHeight(position.x, position.z) - .3;
+ model.load("Models/Bush.solid", 0);
+ break;
+ case platformtype:
+ model.loaddecal("Models/Platform.solid", 0);
+ model.Rotate(90, 0, 0);
+ friction = 1.5;
+ break;
+ case firetype:
+ onfire = true;
+ break;
+ }
+
+ if (friction == 1.5 && fabs(pitch) > 5) {
+ friction = .5;
+ }
+
+ if (type == boxtype || type == cooltype || type == spiketype || type == weirdtype || type == walltype || type == chimneytype || type == tunneltype || type == platformtype) {
+ model.ScaleTexCoords(scale * 1.5);
+ }
+ if (type == rocktype) {
+ model.ScaleTexCoords(scale * 3);
+ }
+ model.flat = 1;
+ if (type == treetrunktype || type == treeleavestype || type == rocktype) {
+ model.flat = 0;
+ }
+ model.Scale(.3 * scale, .3 * scale, .3 * scale);
+ model.Rotate(90, 1, 1);
+ model.Rotate(pitch, 0, 0);
+ if (type == rocktype) {
+ model.Rotate(yaw * 5, 0, 0);
+ }
+ model.CalculateNormals(1);
+ model.ScaleNormals(-1, -1, -1);
+}
+
+void Object::handleFire()
+{
+ if (type == firetype) {
+ onfire = 1;
+ }
+ if (onfire) {
+ XYZ spawnpoint;
+ if ((type == bushtype) || (type == firetype)) {
+ flamedelay -= multiplier * 3;
+ } else if (type == treeleavestype) {
+ flamedelay -= multiplier * 4;
+ }
+ while ((flamedelay < 0) && onfire) {
+ flamedelay += .006;
+ if ((type == bushtype) || (type == firetype)) {
+ spawnpoint.x = ((float)(Random() % 100)) / 30 * scale;
+ spawnpoint.y = ((float)(Random() % 100) + 60) / 30 * scale;
+ spawnpoint.z = 0;
+ spawnpoint = DoRotation(spawnpoint, 0, Random() % 360, 0);
+ spawnpoint += position;
+ Sprite::MakeSprite(flamesprite, spawnpoint, spawnpoint * 0, 1, 1, 1, (.6 + (float)abs(Random() % 100) / 200 - .25) * 5 * scale, 1);
+ } else if (type == treeleavestype) {
+ spawnpoint.x = ((float)(Random() % 100)) / 80 * scale;
+ spawnpoint.y = ((float)(Random() % 100) + 80) / 12 * scale;
+ spawnpoint.z = 0;
+ spawnpoint = DoRotation(spawnpoint, 0, Random() % 360, 0);
+ spawnpoint += position;
+ Sprite::MakeSprite(flamesprite, spawnpoint, spawnpoint * 0, 1, 1, 1, (.6 + (float)abs(Random() % 100) / 200 - .25) * 6, 1);
+ }
+ }
+ }
+}
+
+void Object::doShadows(XYZ lightloc)
+{
+ XYZ testpoint, testpoint2, terrainpoint, col;
+ int patchx, patchz;
+ if (type != treeleavestype && type != treetrunktype && type != bushtype && type != firetype) {
+ for (int j = 0; j < model.vertexNum; j++) {
+ terrainpoint = position + DoRotation(model.vertex[j] + model.normals[j] * .1, 0, yaw, 0);
+ shadowed = 0;
+ patchx = terrainpoint.x / (terrain.size / subdivision * terrain.scale);
+ patchz = terrainpoint.z / (terrain.size / subdivision * terrain.scale);
+ if (patchx >= 0 && patchz >= 0 && patchx < subdivision && patchz < subdivision) {
+ if (terrain.patchobjectnum[patchx][patchz]) {
+ for (int k = 0; k < terrain.patchobjectnum[patchx][patchz]; k++) {
+ int l = terrain.patchobjects[patchx][patchz][k];
+ if (objects[l]->type != treetrunktype) {
+ testpoint = terrainpoint;
+ testpoint2 = terrainpoint + lightloc * 50 * (1 - shadowed);
+ if (objects[l]->model.LineCheck(&testpoint, &testpoint2, &col, &objects[l]->position, &objects[l]->yaw) != -1) {
+ shadowed = 1 - (findDistance(&terrainpoint, &col) / 50);
+ }
+ }
+ }
+ }
+ }
+ if (shadowed > 0) {
+ col = model.normals[j] - DoRotation(lightloc * shadowed, 0, -yaw, 0);
+ Normalise(&col);
+ for (int k = 0; k < model.TriangleNum; k++) {
+ if (model.Triangles[k].vertex[0] == j) {
+ int l = k * 24;
+ model.vArray[l + 2] = col.x;
+ model.vArray[l + 3] = col.y;
+ model.vArray[l + 4] = col.z;
+ }
+ if (model.Triangles[k].vertex[1] == j) {
+ int l = k * 24;
+ model.vArray[l + 10] = col.x;
+ model.vArray[l + 11] = col.y;
+ model.vArray[l + 12] = col.z;
+ }
+ if (model.Triangles[k].vertex[2] == j) {
+ int l = k * 24;
+ model.vArray[l + 18] = col.x;
+ model.vArray[l + 19] = col.y;
+ model.vArray[l + 20] = col.z;
+ }
+ }
+ }
+ }
+ }
+ shadowed = 0;
+}
+
+void Object::draw()
+{
+ static float distance;
+ static XYZ moved, terrainlight;
+ bool hidden;
+ if (type == firetype) {
+ return;
+ }
+ moved = DoRotation(model.boundingspherecenter, 0, yaw, 0);
+ if (type == tunneltype || frustum.SphereInFrustum(position.x + moved.x, position.y + moved.y, position.z + moved.z, model.boundingsphereradius)) {
+ distance = distsq(&viewer, &position);
+ distance *= 1.2;
+ hidden = !(distsqflat(&viewer, &position) > playerdist + 3 || (type != bushtype && type != treeleavestype));
+ if (!hidden) {
+
+ if (detail == 2 && distance > viewdistance * viewdistance / 4 && environment == desertenvironment)
+ glTexEnvf( GL_TEXTURE_FILTER_CONTROL_EXT, GL_TEXTURE_LOD_BIAS_EXT, blurness );
+ else
+ glTexEnvf( GL_TEXTURE_FILTER_CONTROL_EXT, GL_TEXTURE_LOD_BIAS_EXT, 0 );
+ distance = (viewdistance * viewdistance - (distance - (viewdistance * viewdistance * fadestart)) * (1 / (1 - fadestart))) / viewdistance / viewdistance;
+ if (distance > 1)
+ distance = 1;
+ if (distance > 0) {
+
+ if (occluded < 6) {
+ glMatrixMode(GL_MODELVIEW);
+ glPushMatrix();
+ if (!model.color)
+ glEnable(GL_LIGHTING);
+ else
+ glDisable(GL_LIGHTING);
+ glDepthMask(1);
+ glTranslatef(position.x, position.y, position.z);
+ if (type == bushtype) {
+ messedwith -= multiplier;
+ if (rotxvel || rotx) {
+ if (rotx > 0) rotxvel -= multiplier * 8 * fabs(rotx);
+ if (rotx < 0) rotxvel += multiplier * 8 * fabs(rotx);
+ if (rotx > 0) rotxvel -= multiplier * 4;
+ if (rotx < 0) rotxvel += multiplier * 4;
+ if (rotxvel > 0) rotxvel -= multiplier * 4;
+ if (rotxvel < 0) rotxvel += multiplier * 4;
+ if (fabs(rotx) < multiplier * 4)
+ rotx = 0;
+ if (fabs(rotxvel) < multiplier * 4)
+ rotxvel = 0;
+
+ rotx += rotxvel * multiplier * 4;
+ }
+ if (rotyvel || roty) {
+ if (roty > 0) rotyvel -= multiplier * 8 * fabs(roty);
+ if (roty < 0) rotyvel += multiplier * 8 * fabs(roty);
+ if (roty > 0) rotyvel -= multiplier * 4;
+ if (roty < 0) rotyvel += multiplier * 4;
+ if (rotyvel > 0) rotyvel -= multiplier * 4;
+ if (rotyvel < 0) rotyvel += multiplier * 4;
+ if (fabs(roty) < multiplier * 4)
+ roty = 0;
+ if (fabs(rotyvel) < multiplier * 4)
+ rotyvel = 0;
+
+ roty += rotyvel * multiplier * 4;
+ }
+ if (roty) {
+ glRotatef(roty, 1, 0, 0);
+ }
+ if (rotx) {
+ glRotatef(-rotx, 0, 0, 1);
+ }
+ if (rotx > 10)
+ rotx = 10;
+ if (rotx < -10)
+ rotx = -10;
+ if (roty > 10)
+ roty = 10;
+ if (roty < -10)
+ roty = -10;
+ }
+ if (type == treetrunktype || type == treeleavestype) {
+ if (type == treetrunktype || environment == desertenvironment) {
+ messedwith -= multiplier;
+ if (rotxvel || rotx) {
+ if (rotx > 0) rotxvel -= multiplier * 8 * fabs(rotx);
+ if (rotx < 0) rotxvel += multiplier * 8 * fabs(rotx);
+ if (rotx > 0) rotxvel -= multiplier * 4;
+ if (rotx < 0) rotxvel += multiplier * 4;
+ if (rotxvel > 0) rotxvel -= multiplier * 4;
+ if (rotxvel < 0) rotxvel += multiplier * 4;
+ if (fabs(rotx) < multiplier * 4)
+ rotx = 0;
+ if (fabs(rotxvel) < multiplier * 4)
+ rotxvel = 0;
+
+ rotx += rotxvel * multiplier * 4;
+ }
+ if (rotyvel || roty) {
+ if (roty > 0) rotyvel -= multiplier * 8 * fabs(roty);
+ if (roty < 0) rotyvel += multiplier * 8 * fabs(roty);
+ if (roty > 0) rotyvel -= multiplier * 4;
+ if (roty < 0) rotyvel += multiplier * 4;
+ if (rotyvel > 0) rotyvel -= multiplier * 4;
+ if (rotyvel < 0) rotyvel += multiplier * 4;
+ if (fabs(roty) < multiplier * 4)
+ roty = 0;
+ if (fabs(rotyvel) < multiplier * 4)
+ rotyvel = 0;
+
+ roty += rotyvel * multiplier * 4;
+ }
+ if (roty) {
+ glRotatef(roty / 6, 1, 0, 0);
+ }
+ if (rotx) {
+ glRotatef(-rotx / 6, 0, 0, 1);
+ }
+ if (rotx > 10)
+ rotx = 10;
+ if (rotx < -10)
+ rotx = -10;
+ if (roty > 10)
+ roty = 10;
+ if (roty < -10)
+ roty = -10;
+ } else {
+ messedwith -= multiplier;
+ if (rotxvel || rotx) {
+ if (rotx > 0) rotxvel -= multiplier * 8 * fabs(rotx);
+ if (rotx < 0) rotxvel += multiplier * 8 * fabs(rotx);
+ if (rotx > 0) rotxvel -= multiplier * 4;
+ if (rotx < 0) rotxvel += multiplier * 4;
+ if (rotxvel > 0) rotxvel -= multiplier * 4;
+ if (rotxvel < 0) rotxvel += multiplier * 4;
+ if (fabs(rotx) < multiplier * 4)
+ rotx = 0;
+ if (fabs(rotxvel) < multiplier * 4)
+ rotxvel = 0;
+
+ rotx += rotxvel * multiplier * 4;
+ }
+ if (rotyvel || roty) {
+ if (roty > 0) rotyvel -= multiplier * 8 * fabs(roty);
+ if (roty < 0) rotyvel += multiplier * 8 * fabs(roty);
+ if (roty > 0) rotyvel -= multiplier * 4;
+ if (roty < 0) rotyvel += multiplier * 4;
+ if (rotyvel > 0) rotyvel -= multiplier * 4;
+ if (rotyvel < 0) rotyvel += multiplier * 4;
+ if (fabs(roty) < multiplier * 4)
+ roty = 0;
+ if (fabs(rotyvel) < multiplier * 4)
+ rotyvel = 0;
+
+ roty += rotyvel * multiplier * 4;
+ }
+ if (roty) {
+ glRotatef(roty / 4, 1, 0, 0);
+ }
+ if (rotx) {
+ glRotatef(-rotx / 4, 0, 0, 1);
+ }
+ if (rotx > 10)
+ rotx = 10;
+ if (rotx < -10)
+ rotx = -10;
+ if (roty > 10)
+ roty = 10;
+ if (roty < -10)
+ roty = -10;
+ }
+
+ }
+ if (/*detail==2&&*/environment == snowyenvironment) {
+ if (type == treeleavestype) {
+ glRotatef((sin(windvar + position.x * .3) + .5) * 1.5 * (sin(windvar * 2 + position.x * .3) + 1) / 2, 1, 0, 0);
+ }
+ if (type == treetrunktype) {
+ glRotatef((sin(windvar + position.x * .3) + .5)*.5 * (sin(windvar * 2 + position.x * .3) + 1) / 2, 1, 0, 0);
+ }
+ if (type == bushtype) {
+ glRotatef((sin(windvar + position.x * .3) + .5) * 4 * (sin(windvar * 2 + position.x * .3) + 1) / 2, 1, 0, 0);
+ }
+ }
+ if (/*detail==2&&*/environment == grassyenvironment) {
+ if (type == treeleavestype) {
+ glRotatef((sin(windvar + position.x * .3) + .5) * 1.5 * .5 * (sin(windvar * 2 + position.x * .3) + 1) / 2, 1, 0, 0);
+ }
+ if (type == treetrunktype) {
+ glRotatef((sin(windvar + position.x * .3) + .5)*.5 * .5 * (sin(windvar * 2 + position.x * .3) + 1) / 2, 1, 0, 0);
+ }
+ if (type == bushtype) {
+ glRotatef((sin(windvar + position.x * .3) + .5) * 4 * .5 * (sin(windvar * 2 + position.x * .3) + 1) / 2, 1, 0, 0);
+ }
+ }
+ if (/*detail==2&&*/environment == desertenvironment) {
+ if (type == bushtype) {
+ glRotatef((sin(windvar + position.x * .3) + .5) * 4 * .5 * (sin(windvar * 2 + position.x * .3) + 1) / 2, 1, 0, 0);
+ }
+ }
+ glRotatef(yaw, 0, 1, 0);
+ if (distance > 1)
+ distance = 1;
+ glColor4f((1 - shadowed) / 2 + .5, (1 - shadowed) / 2 + .5, (1 - shadowed) / 2 + .5, distance);
+ if (distance >= 1) {
+ glDisable(GL_BLEND);
+ glAlphaFunc(GL_GREATER, 0.5);
+ }
+ if (distance < 1) {
+ glEnable(GL_BLEND);
+ glAlphaFunc(GL_GREATER, 0.1);
+ }
+ if (type != treetrunktype && type != treeleavestype && type != bushtype && type != rocktype) {
+ glEnable(GL_CULL_FACE);
+ glAlphaFunc(GL_GREATER, 0.0001);
+ model.drawdifftex(boxtextureptr);
+ model.drawdecals(terrain.shadowtexture, terrain.bloodtexture, terrain.bloodtexture2, terrain.breaktexture);
+ }
+ if (type == rocktype) {
+ glEnable(GL_CULL_FACE);
+ glAlphaFunc(GL_GREATER, 0.0001);
+ glColor4f((1 - shadowed) / 2 + light.ambient[0], (1 - shadowed) / 2 + light.ambient[1], (1 - shadowed) / 2 + light.ambient[2], distance);
+ model.drawdifftex(rocktextureptr);
+ model.drawdecals(terrain.shadowtexture, terrain.bloodtexture, terrain.bloodtexture2, terrain.breaktexture);
+ }
+ if (type == treeleavestype) {
+ glDisable(GL_CULL_FACE);
+ glDisable(GL_LIGHTING);
+ terrainlight = terrain.getLighting(position.x, position.z);
+ if (!hidden) {
+ glColor4f(terrainlight.x, terrainlight.y, terrainlight.z, distance);
+ if (distance < 1)
+ glAlphaFunc(GL_GREATER, 0.2);
+ }
+ if (hidden) {
+ glDepthMask(0);
+ glEnable(GL_BLEND);
+ glColor4f(terrainlight.x, terrainlight.y, terrainlight.z, distance / 3);
+ glAlphaFunc(GL_GREATER, 0);
+ }
+ model.drawdifftex(treetextureptr);
+ }
+ if (type == bushtype) {
+ glDisable(GL_CULL_FACE);
+ glDisable(GL_LIGHTING);
+ terrainlight = terrain.getLighting(position.x, position.z);
+ if (!hidden) {
+ glColor4f(terrainlight.x, terrainlight.y, terrainlight.z, distance);
+ if (distance < 1)
+ glAlphaFunc(GL_GREATER, 0.2);
+ }
+ if (hidden) {
+ glDepthMask(0);
+ glEnable(GL_BLEND);
+ glColor4f(terrainlight.x, terrainlight.y, terrainlight.z, distance / 3);
+ glAlphaFunc(GL_GREATER, 0);
+ }
+ model.drawdifftex(bushtextureptr);
+ }
+ if (type == treetrunktype) {
+ glEnable(GL_CULL_FACE);
+ terrainlight = terrain.getLighting(position.x, position.z);
+ glColor4f(terrainlight.x, terrainlight.y, terrainlight.z, distance);
+ model.drawdifftex(treetextureptr);
+ }
+ glPopMatrix();
+ }
+ }
+ }
+ }
+}
+
+void Object::drawSecondPass()
+{
+ static float distance;
+ static XYZ moved, terrainlight;
+ bool hidden;
+ if (type != treeleavestype && type != bushtype) {
+ return;
+ }
+ moved = DoRotation(model.boundingspherecenter, 0, yaw, 0);
+ if (frustum.SphereInFrustum(position.x + moved.x, position.y + moved.y, position.z + moved.z, model.boundingsphereradius)) {
+ hidden = distsqflat(&viewer, &position) <= playerdist + 3;
+ if (hidden) {
+ distance = 1;
+ glMatrixMode(GL_MODELVIEW);
+ glPushMatrix();
+ glEnable(GL_LIGHTING);
+ glDepthMask(1);
+ glTranslatef(position.x, position.y, position.z);
+ if (type == bushtype) {
+ messedwith -= multiplier;
+ if (rotxvel || rotx) {
+ if (rotx > 0) rotxvel -= multiplier * 8 * fabs(rotx);
+ if (rotx < 0) rotxvel += multiplier * 8 * fabs(rotx);
+ if (rotx > 0) rotxvel -= multiplier * 4;
+ if (rotx < 0) rotxvel += multiplier * 4;
+ if (rotxvel > 0) rotxvel -= multiplier * 4;
+ if (rotxvel < 0) rotxvel += multiplier * 4;
+ if (fabs(rotx) < multiplier * 4)
+ rotx = 0;
+ if (fabs(rotxvel) < multiplier * 4)
+ rotxvel = 0;
+
+ rotx += rotxvel * multiplier * 4;
+ }
+ if (rotyvel || roty) {
+ if (roty > 0) rotyvel -= multiplier * 8 * fabs(roty);
+ if (roty < 0) rotyvel += multiplier * 8 * fabs(roty);
+ if (roty > 0) rotyvel -= multiplier * 4;
+ if (roty < 0) rotyvel += multiplier * 4;
+ if (rotyvel > 0) rotyvel -= multiplier * 4;
+ if (rotyvel < 0) rotyvel += multiplier * 4;
+ if (fabs(roty) < multiplier * 4)
+ roty = 0;
+ if (fabs(rotyvel) < multiplier * 4)
+ rotyvel = 0;
+
+ roty += rotyvel * multiplier * 4;
+ }
+ if (roty) {
+ glRotatef(roty, 1, 0, 0);
+ }
+ if (rotx) {
+ glRotatef(-rotx, 0, 0, 1);
+ }
+ if (rotx > 10)
+ rotx = 10;
+ if (rotx < -10)
+ rotx = -10;
+ if (roty > 10)
+ roty = 10;
+ if (roty < -10)
+ roty = -10;
+ }
+ if (type == treetrunktype || type == treeleavestype) {
+ messedwith -= multiplier;
+ if (rotxvel || rotx) {
+ if (rotx > 0) rotxvel -= multiplier * 8 * fabs(rotx);
+ if (rotx < 0) rotxvel += multiplier * 8 * fabs(rotx);
+ if (rotx > 0) rotxvel -= multiplier * 4;
+ if (rotx < 0) rotxvel += multiplier * 4;
+ if (rotxvel > 0) rotxvel -= multiplier * 4;
+ if (rotxvel < 0) rotxvel += multiplier * 4;
+ if (fabs(rotx) < multiplier * 4)
+ rotx = 0;
+ if (fabs(rotxvel) < multiplier * 4)
+ rotxvel = 0;
+
+ rotx += rotxvel * multiplier * 4;
+ }
+ if (rotyvel || roty) {
+ if (roty > 0) rotyvel -= multiplier * 8 * fabs(roty);
+ if (roty < 0) rotyvel += multiplier * 8 * fabs(roty);
+ if (roty > 0) rotyvel -= multiplier * 4;
+ if (roty < 0) rotyvel += multiplier * 4;
+ if (rotyvel > 0) rotyvel -= multiplier * 4;
+ if (rotyvel < 0) rotyvel += multiplier * 4;
+ if (fabs(roty) < multiplier * 4)
+ roty = 0;
+ if (fabs(rotyvel) < multiplier * 4)
+ rotyvel = 0;
+
+ roty += rotyvel * multiplier * 4;
+ }
+ if (roty) {
+ glRotatef(roty / 2, 1, 0, 0);
+ }
+ if (rotx) {
+ glRotatef(-rotx / 2, 0, 0, 1);
+ }
+ if (rotx > 10)
+ rotx = 10;
+ if (rotx < -10)
+ rotx = -10;
+ if (roty > 10)
+ roty = 10;
+ if (roty < -10)
+ roty = -10;
+ }
+ if (environment == snowyenvironment) {
+ if (type == treeleavestype) {
+ glRotatef((sin(windvar + position.x * .3) + .5) * 1.5 * (sin(windvar * 2 + position.x * .3) + 1) / 2, 1, 0, 0);
+ }
+ if (type == treetrunktype) {
+ glRotatef((sin(windvar + position.x * .3) + .5)*.5 * (sin(windvar * 2 + position.x * .3) + 1) / 2, 1, 0, 0);
+ }
+ if (type == bushtype) {
+ glRotatef((sin(windvar + position.x * .3) + .5) * 4 * (sin(windvar * 2 + position.x * .3) + 1) / 2, 1, 0, 0);
+ }
+ }
+ if (environment == grassyenvironment) {
+ if (type == treeleavestype) {
+ glRotatef((sin(windvar + position.x * .3) + .5) * 1.5 * .5 * (sin(windvar * 2 + position.x * .3) + 1) / 2, 1, 0, 0);
+ }
+ if (type == treetrunktype) {
+ glRotatef((sin(windvar + position.x * .3) + .5)*.5 * .5 * (sin(windvar * 2 + position.x * .3) + 1) / 2, 1, 0, 0);
+ }
+ if (type == bushtype) {
+ glRotatef((sin(windvar + position.x * .3) + .5) * 4 * .5 * (sin(windvar * 2 + position.x * .3) + 1) / 2, 1, 0, 0);
+ }
+ }
+ glRotatef(yaw, 0, 1, 0);
+ glColor4f(1, 1, 1, distance);
+ if (type == treeleavestype) {
+ glDisable(GL_CULL_FACE);
+ glDisable(GL_LIGHTING);
+ terrainlight = terrain.getLighting(position.x, position.z);
+ glDepthMask(0);
+ glEnable(GL_BLEND);
+ glColor4f(terrainlight.x, terrainlight.y, terrainlight.z, .3);
+ glAlphaFunc(GL_GREATER, 0);
+ glDisable(GL_ALPHA_TEST);
+ model.drawdifftex(treetextureptr);
+ }
+ if (type == bushtype) {
+ glDisable(GL_CULL_FACE);
+ glDisable(GL_LIGHTING);
+ terrainlight = terrain.getLighting(position.x, position.z);
+ glDepthMask(0);
+ glEnable(GL_BLEND);
+ glColor4f(terrainlight.x, terrainlight.y, terrainlight.z, .3);
+ glAlphaFunc(GL_GREATER, 0);
+ glDisable(GL_ALPHA_TEST);
+ model.drawdifftex(bushtextureptr);
+ }
+ glPopMatrix();
+ }
+ }
+}
+
+void Object::ComputeCenter()
+{
+ center = 0;
+ for (unsigned i = 0; i < objects.size(); i++) {
+ center += objects[i]->position;
+ }
+ center /= objects.size();
+}
+
+void Object::ComputeRadius()
+{
+ float maxdistance = 0;
+ float tempdist;
+ for (int i = 0; i < objects.size(); i++) {
+ tempdist = distsq(¢er, &objects[i]->position);
+ if (tempdist > maxdistance) {
+ maxdistance = tempdist;
+ }
+ }
+ radius = fast_sqrt(maxdistance);
+}
+
+void Object::LoadObjectsFromFile(FILE* tfile, bool skip)
+{
+ int numobjects;
+ int type;
+ XYZ position;
+ float yaw, pitch, scale, lastscale;
+ funpackf(tfile, "Bi", &numobjects);
+ if (!skip) {
+ objects.clear();
+ }
+ for (int i = 0; i < numobjects; i++) {
+ funpackf(tfile, "Bi Bf Bf Bf Bf Bf Bf", &type, &yaw, &pitch, &position.x, &position.y, &position.z, &scale);
+ if (!skip) {
+ if (type == treeleavestype) {
+ scale = lastscale;
+ }
+ objects.emplace_back(new Object(type, position, yaw, pitch, scale));
+ lastscale = scale;
+ }
+ }
+}
+
+void Object::addToTerrain(unsigned id)
+{
+ if ((type != treeleavestype) && (type != bushtype) && (type != firetype)) {
+ terrain.AddObject(position + DoRotation(model.boundingspherecenter, 0, yaw, 0), model.boundingsphereradius, id);
+ }
+
+ if (detail == 2) {
+ if ((type == treetrunktype) && (position.y < (terrain.getHeight(position.x, position.z) + 1))) {
+ terrain.MakeDecal(shadowdecalpermanent, position, 2, .4, 0);
+ }
+
+ if ((type == bushtype) && (position.y < (terrain.getHeight(position.x, position.z) + 1))) {
+ terrain.MakeDecal(shadowdecalpermanent, position, 1, .4, 0);
+ }
+ }
+}
+
+void Object::AddObjectsToTerrain()
+{
+ for (unsigned i = 0; i < objects.size(); i++) {
+ objects[i]->addToTerrain(i);
+ }
+}
+
+bool Object::Checkcollide(XYZ startpoint, XYZ endpoint, int which)
+{
+ static XYZ colpoint, colviewer, coltarget;
+ static int i;
+
+ startpoint.y += .1;
+ endpoint.y += .1;
+ startpoint.y -= .1;
+ endpoint.y -= .1;
+
+ for (i = 0; i < objects.size(); i++) {
+ if (objects[i]->type != treeleavestype && objects[i]->type != treetrunktype && objects[i]->type != bushtype && objects[i]->type != firetype && i != which) {
+ colviewer = startpoint;
+ coltarget = endpoint;
+ if (objects[i]->model.LineCheck(&colviewer, &coltarget, &colpoint, &objects[i]->position, &objects[i]->yaw) != -1)
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+void Object::SphereCheckPossible(XYZ *p1, float radius)
+{
+ int whichpatchx = p1->x / (terrain.size / subdivision * terrain.scale);
+ int whichpatchz = p1->z / (terrain.size / subdivision * terrain.scale);
+
+ if (whichpatchx >= 0 && whichpatchz >= 0 && whichpatchx < subdivision && whichpatchz < subdivision) {
+ if (terrain.patchobjectnum[whichpatchx][whichpatchz] > 0 && terrain.patchobjectnum[whichpatchx][whichpatchz] < 500) {
+ for (int j = 0; j < terrain.patchobjectnum[whichpatchx][whichpatchz]; j++) {
+ int i = terrain.patchobjects[whichpatchx][whichpatchz][j];
+ objects[i]->possible = false;
+ if (objects[i]->model.SphereCheckPossible(p1, radius, &objects[i]->position, &objects[i]->yaw) != -1) {
+ objects[i]->possible = true;
+ }
+ }
+ }
+ }
+}
+
+void Object::Draw()
+{
+ for (unsigned i = 0; i < objects.size(); i++) {
+ objects[i]->draw();
+ }
+
+ glTexEnvf( GL_TEXTURE_FILTER_CONTROL_EXT, GL_TEXTURE_LOD_BIAS_EXT, 0 );
+ for (unsigned i = 0; i < objects.size(); i++) {
+ objects[i]->drawSecondPass();
+ }
+ if (environment == desertenvironment) {
+ glTexEnvf( GL_TEXTURE_FILTER_CONTROL_EXT, GL_TEXTURE_LOD_BIAS_EXT, 0 );
+ }
+ glEnable(GL_ALPHA_TEST);
+ SetUpLight(&light, 0);
+}
+
+void Object::DeleteObject(int which)
+{
+ objects.erase(objects.begin() + which);
+}
+
+void Object::MakeObject(int atype, XYZ where, float ayaw, float apitch, float ascale)
+{
+ if ((atype != treeleavestype && atype != bushtype) || foliage == 1) {
+ unsigned nextid = objects.size();
+ cout << "Adding object " << nextid << endl;
+ objects.emplace_back(new Object(atype, where, ayaw, apitch, ascale));
+ objects.back()->addToTerrain(nextid);
+ }
+}
+
+void Object::DoStuff()
+{
+ for (unsigned i = 0; i < objects.size(); i++) {
+ objects[i]->handleFire();
+ }
+}
+
+void Object::DoShadows()
+{
+ XYZ lightloc;
+ lightloc = light.location;
+ if (!skyboxtexture)
+ lightloc = 0;
+ lightloc.y += 10;
+ Normalise(&lightloc);
+
+ for (unsigned i = 0; i < objects.size(); i++) {
+ objects[i]->doShadows(lightloc);
+ }
+}
+
+//~ Object::~Objects()
+//~ {
+ //~ boxtextureptr.destroy();
+ //~ treetextureptr.destroy();
+ //~ bushtextureptr.destroy();
+ //~ rocktextureptr.destroy();
+//~ }
projects / lugaru.git / blobdiff