void CDeco::CreateLightStrip (float x, float z, float width, float depth, float height, GLrgba color)
{
GLvertex p;
quad_strip qs1;
float u, v;
qs1.index_list.push_back(0);
qs1.index_list.push_back(1);
qs1.index_list.push_back(3);
qs1.index_list.push_back(2);
_color = color;
_use_alpha = true;
_center = glVector (x + width / 2, height, z + depth / 2);
if (width < depth) {
u = 1.0f;
v = (float)((int)(depth / width));
} else {
v = 1.0f;
u = (float)((int)(width / depth));
}
_texture = TextureId (TEXTURE_LIGHT);
p.position = glVector (x, height, z); p.uv = glVector (0.0f, 0.0f);
_mesh->VertexAdd (p);
p.position = glVector (x, height, z + depth); p.uv = glVector (0.0f, v);
_mesh->VertexAdd (p);
p.position = glVector (x + width, height, z + depth); p.uv = glVector (u, v);
_mesh->VertexAdd (p);
p.position = glVector (x + width, height, z); p.uv = glVector (u, 0.0f);
_mesh->VertexAdd (p);
_mesh->QuadStripAdd (qs1);
_mesh->Compile ();
}
void FigureRender ()
{
static float nn;
if (moveit)
nn += 0.03f;
fig2.RotateBone (BONE_SPINE1, glVector (0.0f, 0.0f, sin (nn * 3) * 25.0f));
fig2.RotateBone (BONE_RFINGERS1, glVector (0.0f, -abs (sin (nn * 1)) * -80.0f, 0.0f));
//fig2.RotateBone (BONE_RELBOW, glVector (abs (cos (nn * 1)) * 45.0f, 0.0f, 0.0f));
//fig2.RotateBone (BONE_LSHOULDER, glVector (0.0f, abs (sin (nn * 3)) * 80.0f, 0.0f));
//fig2.RotateBone (BONE_LELBOW, glVector (0.0f, 0.0f, abs (cos (nn * 2)) * 90.0f));
fig2.RotateBone (BONE_LWRIST, glVector (0.0f, abs (cos (nn * 2)) * 90.0f, 0.0f));
//fig2.RotateBone (BONE_RHIP, glVector (sin (nn) * 25.0f, 0.0f, 0.0f));
//fig2.RotateBone (BONE_RKNEE, glVector (-abs (cos (nn * 2) * 45.0f), 0.0f, 0.0f));
/*
for (unsigned i = 0; i < anim._frame[frame].joint.size (); i++) {
//if (anim._frame[frame].joint[i].id > BONE_PELVIS)
fig.RotateBone (anim._frame[frame].joint[i].id, anim._frame[frame].joint[i].rotation);
}
*/
if (stand) {
//fig.Animate (&anim_stand, nn);
//fig2.Animate (&anim_stand, nn);
} else {
//fig.Animate (&anim, nn);
//fig2.Animate (&anim, nn);
}
frame++;
//frame %= anim._frame.size ();
//fig.Update ();
//fig2.Update ();
if (InputKeyPressed (SDLK_f)) {
fig.PositionSet (AvatarPosition () + glVector (0.0f, -2.0f, 0.0f));
fig2.PositionSet (AvatarPosition () + glVector (0.0f, 2.0f, 0.0f));
}
if (InputKeyPressed (SDLK_g))
moveit = !moveit;
if (InputKeyPressed (SDLK_h))
stand = !stand;
glBindTexture (GL_TEXTURE_2D, 0);
//glDisable (GL_LIGHTING);
//fig.Render ();
//fig2.Render ();
//glEnable (GL_LIGHTING);
}
static GLvector flycam_position (unsigned t)
{
unsigned leg;
float delta;
GLvector start, end;
GLbbox hot_zone;
hot_zone = WorldHotZone ();
t %= FLYCAM_CIRCUT;
leg = t / FLYCAM_LEG;
delta = (float)(t % FLYCAM_LEG) / FLYCAM_LEG;
switch (leg) {
case 0:
start = glVector (hot_zone.min.x, 25.0f, hot_zone.min.z);
end = glVector (hot_zone.min.x, 60.0f, hot_zone.max.z);
break;
case 1:
start = glVector (hot_zone.min.x, 60.0f, hot_zone.max.z);
end = glVector (hot_zone.max.x, 25.0f, hot_zone.max.z);
break;
case 2:
start = glVector (hot_zone.max.x, 25.0f, hot_zone.max.z);
end = glVector (hot_zone.max.x, 60.0f, hot_zone.min.z);
break;
case 3:
start = glVector (hot_zone.max.x, 60.0f, hot_zone.min.z);
end = glVector (hot_zone.min.x, 25.0f, hot_zone.min.z);
break;
}
delta = MathScalarCurve (delta);
return glVectorInterpolate (start, end, delta);
}
void CDeco::CreateLightTrim (GLvector* chain, int count, float height, int seed, GLrgba color)
{
GLvertex p;
GLvector to;
GLvector out;
int i;
int index;
int prev, next;
float u, v1, v2;
float row;
quad_strip qs;
_color = color;
_center = glVector (0.0f, 0.0f, 0.0f);
qs.index_list.reserve(count * 2 + 2);
for (i = 0; i < count; i++)
_center += chain[i];
_center /= (float)count;
row = (float)(seed % TRIM_ROWS);
v1 = row * TRIM_SIZE;
v2 = (row + 1.0f) * TRIM_SIZE;
index = 0;
u = 0.0f;
for (i = 0; i < count + 1; i++) {
if (i)
u += glVectorLength (chain[i % count] - p.position) * 0.1f;
//Add the bottom point
prev = i - 1;
if (prev < 0)
prev = count + prev;
next = (i + 1) % count;
to = glVectorNormalize (chain[next] - chain[prev]);
out = glVectorCrossProduct (glVector (0.0f, 1.0f, 0.0f), to) * LOGO_OFFSET;
p.position = chain[i % count] + out;
p.uv = glVector (u, v2);
_mesh->VertexAdd (p);
qs.index_list.push_back(index++);
//Top point
p.position.y += height;
p.uv = glVector (u, v1);
_mesh->VertexAdd (p);
qs.index_list.push_back(index++);
}
_mesh->QuadStripAdd (qs);
_texture = TextureId (TEXTURE_TRIM);
_mesh->Compile ();
}
void CCar::Render ()
{
GLvector pos;
int angle;
int turn;
if (!m_ready)
return;
if (!Visible (m_drive_position))
return;
if (m_front)
glColor3f (1, 1, 0.8f);
else
glColor3f (1, 0.2f, 0);
glBegin (GL_QUADS);
angle = dangles[m_direction];
pos = m_drive_position;//
angle = 360 - (int)MathAngle (m_position.x, m_position.z, pos.x, pos.z);
angle %= 360;
turn = (int)MathAngleDifference ((float)m_drive_angle, (float)angle);
m_drive_angle += SIGN (turn);
pos += glVector (0.5f, 0.0f, 0.5f);
glTexCoord2f (0, 0);
glVertex3f (pos.x + angles[angle].x, -CAR_SIZE, pos.z + angles[angle].y);
glTexCoord2f (1, 0);
glVertex3f (pos.x - angles[angle].x, -CAR_SIZE, pos.z - angles[angle].y);
glTexCoord2f (1, 1);
glVertex3f (pos.x - angles[angle].x, CAR_SIZE, pos.z - angles[angle].y);
glTexCoord2f (0, 1);
glVertex3f (pos.x + angles[angle].x, CAR_SIZE, pos.z + angles[angle].y);
/*
glVertex3f (m_position.x, m_position.y, m_position.z);
glVertex3f (m_position.x, m_position.y, m_position.z + 1);
glVertex3f (m_position.x + 1, m_position.y, m_position.z + 1);
glVertex3f (m_position.x + 1, m_position.y, m_position.z);
*/
/*
glTexCoord2f (0, 0);
glVertex3f (m_position.x, m_position.y, m_position.z + 0.2f);
glTexCoord2f (0, 2);
glVertex3f (m_position.x, m_position.y, m_position.z + 1 - 0.2f);
glTexCoord2f (1, 2);
glVertex3f (m_position.x + 1, m_position.y, m_position.z + 1 - 0.2f);
glTexCoord2f (1, 0);
glVertex3f (m_position.x + 1, m_position.y, m_position.z + 0.2f);
*/
glEnd ();
}
void FigureInit ()
{
unsigned i;
GLmesh* skin;
for (i = 0; i < sizeof (bl) / sizeof (BoneList); i++)
fig.PushBone (bl[i].id, bl[i].id_parent, bl[i].pos);
skin = fig.Skin ();
add_hull (&fig, glVector ( 0.1f, 0.05f, 0.5f), -0.1f, -0.4f, BONE_RKNEE);
add_hull (&fig, glVector (-0.1f, 0.05f, 0.5f), -0.1f, -0.4f, BONE_LKNEE);
add_hull (&fig, glVector ( 0.1f, 0.05f, 1.0f), -0.1f, -0.5f, BONE_RHIP);
add_hull (&fig, glVector (-0.1f, 0.05f, 1.0f), -0.1f, -0.5f, BONE_LHIP);
add_hull (&fig, glVector ( 0.2f, 0.05f, 1.5f), -0.1f, -0.1f, BONE_RSHOULDER);
add_hull (&fig, glVector ( 0.5f, 0.05f, 1.5f), -0.1f, -0.1f, BONE_RELBOW);
add_hull (&fig, glVector (-0.2f, 0.05f, 1.5f), -0.1f, -0.1f, BONE_LSHOULDER);
add_hull (&fig, glVector (-0.5f, 0.05f, 1.5f), -0.1f, -0.1f, BONE_LELBOW);
fig.Prepare ();
anim.LoadBvh ("Anims//run.bvh");
anim_stand.LoadBvh ("Anims//stand.bvh");
fig2.LoadX ("models//male.x");
// fig2.BoneInflate (BONE_HEAD, 0.01f);
/*
{
FILE* file;
file = fopen ("stand.bvh", "w+b");
if (!file)
return;
for (i = 0; i < fig._bone.size (); i++) {
fprintf (file, "Joint %s\n", CAnim::NameFromBone (fig._bone[i]._id));
fprintf (file, "CHANNELS 3\n");
}
fprintf (file, "Motion\n");
fprintf (file, "Frames: 1\n");
fprintf (file, "Frame Time: 1.0\n");
for (i = 0; i < fig._bone.size (); i++)
fprintf (file, "0.0 0.0 0.0 ");
fprintf (file, "\n");
fclose (file);
}
*/
}
void CBuilding::ConstructSpike (int left, int right, int front, int back, int bottom, int top)
{
GLvertex p;
fan f;
int i;
GLvector center;
for (i = 0; i < 5; i++)
f.index_list.push_back(_mesh_flat->VertexCount () + i);
f.index_list.push_back(f.index_list[1]);
p.uv = glVector (0.0f, 0.0f);
center.x = ((float)left + (float)right) / 2.0f;
center.z = ((float)front + (float)back) / 2.0f;
p.position = glVector (center.x, (float)top, center.z);
_mesh_flat->VertexAdd (p);
p.position = glVector ((float)left, (float)bottom, (float)back);
_mesh_flat->VertexAdd (p);
p.position = glVector ((float)right, (float)bottom, (float)back);
_mesh_flat->VertexAdd (p);
p.position = glVector ((float)right, (float)bottom, (float)front);
_mesh_flat->VertexAdd (p);
p.position = glVector ((float)left, (float)bottom, (float)front);
_mesh_flat->VertexAdd (p);
_mesh_flat->FanAdd (f);
}
void TextInit ()
{
int x, y;
int i;
for (i = 0; i < max_CHARS; i++) {
x = i % FONT_GRID;
y = 255 - (i / FONT_GRID);
glyph[i] = glVector ((float)x * GLYPH, (float)y * GLYPH);
}
}
void TerraformPrepare ()
{
int x, y;
Region r;
GLcoord from_center;
GLcoord offset;
//Set some defaults
offset.x = RandomVal () % 1024;
offset.y = RandomVal () % 1024;
for (x = 0; x < WORLD_GRID; x++) {
for (y = 0; y < WORLD_GRID; y++) {
memset (&r, 0, sizeof (Region));
sprintf (r.title, "NOTHING");
r.geo_bias = r.geo_detail = 0;
r.mountain_height = 0;
r.grid_pos.x = x;
r.grid_pos.y = y;
r.tree_threshold = 0.15f;
from_center.x = abs (x - WORLD_GRID_CENTER);
from_center.y = abs (y - WORLD_GRID_CENTER);
//Geo scale is a number from -1 to 1. -1 is lowest ocean. 0 is sea level.
//+1 is highest elevation on the island. This is used to guide other derived numbers.
r.geo_scale = glVectorLength (glVector ((float)from_center.x, (float)from_center.y));
r.geo_scale /= (WORLD_GRID_CENTER - OCEAN_BUFFER);
//Create a steep drop around the edge of the world
if (r.geo_scale > 1.0f)
r.geo_scale = 1.0f + (r.geo_scale - 1.0f) * 4.0f;
r.geo_scale = 1.0f - r.geo_scale;
r.geo_scale += (Entropy ((x + offset.x), (y + offset.y)) - 0.5f);
r.geo_scale += (Entropy ((x + offset.x) * FREQUENCY, (y + offset.y) * FREQUENCY) - 0.2f);
r.geo_scale = clamp (r.geo_scale, -1.0f, 1.0f);
if (r.geo_scale > 0.0f)
r.geo_water = 1.0f + r.geo_scale * 16.0f;
r.color_atmosphere = glRgba (0.0f, 0.0f, 0.0f);
r.geo_bias = 0.0f;
r.geo_detail = 0.0f;
r.color_map = glRgba (0.0f);
r.climate = CLIMATE_INVALID;
WorldRegionSet (x, y, r);
}
}
}
static bool try_lake (int try_x, int try_y, int id)
{
Region r;
int xx, yy;
int size;
float depth;
float water_level;
GLvector2 to_center;
size = 4;
//if (!is_free (try_x, try_y, size))
//return false;
//Find the lowest water level in our lake
water_level = 9999.9f;
for (xx = -size; xx <= size; xx++) {
for (yy = -size; yy <= size; yy++) {
r = WorldRegionGet (xx + try_x, yy + try_y);
if (r.climate != CLIMATE_INVALID && r.climate != CLIMATE_RIVER && r.climate != CLIMATE_RIVER_BANK)
return false;
if (r.moisture < 0.5f)
return false;
water_level = min (water_level, r.geo_water);
}
}
for (xx = -size; xx <= size; xx++) {
for (yy = -size; yy <= size; yy++) {
to_center = glVector ((float)xx, (float)yy);
depth = to_center.Length ();
if (depth >= (float)size)
continue;
depth = (float)size - depth;
r = WorldRegionGet (xx + try_x, yy + try_y);
sprintf (r.title, "Lake%d", id);
r.geo_water = water_level;
r.geo_detail = 2.0f;
r.geo_bias = -4.0f * depth;
r.climate = CLIMATE_LAKE;
r.flags_shape |= REGION_FLAG_NOBLEND;
WorldRegionSet (xx + try_x, yy + try_y, r);
}
}
return true;
}
void add_hull (CFigure* f, GLvector p, float d, float h, BoneId id)
{
unsigned base;
GLmesh* m;
m = f->Skin ();
base = m->Vertices ();
m->PushVertex (glVector (p.x, p.y, p.z), UP, glVector (0.0f, 0.0f));
m->PushVertex (glVector (p.x, p.y + d, p.z), UP, glVector (0.0f, 0.0f));
m->PushVertex (glVector (p.x, p.y + d, p.z + h), UP, glVector (0.0f, 0.0f));
m->PushVertex (glVector (p.x, p.y, p.z + h), UP, glVector (0.0f, 0.0f));
m->PushQuad (base + 0, base + 1, base + 2, base + 3);
m->PushQuad (base + 3, base + 2, base + 1, base + 0);
f->PushWeight (id, base, 1.0f);
f->PushWeight (id, base + 1, 1.0f);
f->PushWeight (id, base + 2, 1.0f);
f->PushWeight (id, base + 3, 1.0f);
}
CBuilding::CBuilding (int type, int x, int y, int height, int width, int depth, int seed, GLrgba color)
{
_x = x;
_y = y;
_width = width;
_depth = depth;
_height = height;
_center = glVector ((float)(_x + width / 2), 0.0f, (float)(_y + depth / 2));
_seed = seed;
_texture_type = RandomVal ();
_color = color;
_color.alpha = 0.1f;
_have_lights = false;
_have_logo = false;
_have_trim = false;
_roof_tiers = 0;
//Pick a color for logos & roof lights
_trim_color = WorldLightColor (seed);
_mesh = new CMesh; //The main textured mesh for the building
_mesh_flat = new CMesh; //Flat-color mesh for untextured detail items.
switch (type) {
case BUILDING_SIMPLE:
CreateSimple ();
break;
case BUILDING_MODERN:
CreateModern ();
break;
case BUILDING_TOWER:
CreateTower ();
break;
case BUILDING_BLOCKY:
CreateBlocky ();
break;
}
}
GLvector2 GLvector2::operator+ (const float& c)
{
return glVector (x + c, y + c);
}
void CBuilding::ConstructCube (int left, int right, int front, int back, int bottom, int top)
{
GLvertex p[10];
float x1, x2, z1, z2, y1, y2;
int i;
cube c;
float u, v1, v2;
float mapping;
int base_index;
int height;
height = top - bottom;
x1 = (float)left;
x2 = (float)right;
y1 = (float)bottom;
y2 = (float)top;
z1 = (float)front;
z2 = (float)back;
base_index = _mesh->VertexCount ();
mapping = (float)SEGMENTS_PER_TEXTURE;
u = (float)(RandomVal () % SEGMENTS_PER_TEXTURE) / (float)SEGMENTS_PER_TEXTURE;
v1 = (float)bottom / (float)mapping;
v2 = (float)top / (float)mapping;
p[0].position = glVector (x1, y1, z1); p[0].uv = glVector (u, v1);
p[1].position = glVector (x1, y2, z1); p[1].uv = glVector (u, v2);
u += (float)_width / mapping;
p[2].position = glVector (x2, y1, z1); p[2].uv = glVector (u, v1);
p[3].position = glVector (x2, y2, z1); p[3].uv = glVector (u, v2);
u += (float)_depth / mapping;
p[4].position = glVector (x2, y1, z2); p[4].uv = glVector (u, v1);
p[5].position = glVector (x2, y2, z2); p[5].uv = glVector (u, v2);
u += (float)_width / mapping;
p[6].position = glVector (x1, y1, z2); p[6].uv = glVector (u, v1);
p[7].position = glVector (x1, y2, z2); p[7].uv = glVector (u, v2);
u += (float)_width / mapping;
p[8].position = glVector (x1, y1, z1); p[8].uv = glVector (u, v1);
p[9].position = glVector (x1, y2, z1); p[9].uv = glVector (u, v2);
for (i = 0; i < 10; i++) {
p[i].uv.x = (p[i].position.x + p[i].position.z) / (float)SEGMENTS_PER_TEXTURE;
_mesh->VertexAdd (p[i]);
c.index_list.push_back(base_index + i);
}
_mesh->CubeAdd (c);
}
GLvector2 GLvector2::operator+ (const GLvector2& c)
{
return glVector (x + c.x, y + c.y);
}
void CDeco::CreateRadioTower (GLvector pos, float height)
{
CLight* l;
float offset;
GLvertex v;
fan f;
for(int i=0; i<6; i++)
f.index_list.push_back(i);
offset = height / 15.0f;
_center = pos;
_use_alpha = true;
//Radio tower
v.position = glVector (_center.x, _center.y + height, _center.z); v.uv = glVector (0,1);
_mesh->VertexAdd (v);
v.position = glVector (_center.x - offset, _center.y, _center.z - offset); v.uv = glVector (1,0);
_mesh->VertexAdd (v);
v.position = glVector (_center.x + offset, _center.y, _center.z - offset); v.uv = glVector (0,0);
_mesh->VertexAdd (v);
v.position = glVector (_center.x + offset, _center.y, _center.z + offset); v.uv = glVector (1,0);
_mesh->VertexAdd (v);
v.position = glVector (_center.x - offset, _center.y, _center.z + offset); v.uv = glVector (0,0);
_mesh->VertexAdd (v);
v.position = glVector (_center.x - offset, _center.y, _center.z - offset); v.uv = glVector (1,0);
_mesh->VertexAdd (v);
_mesh->FanAdd (f);
l = new CLight (glVector (_center.x, _center.y + height + 1.0f, _center.z), glRgba (255,192,160), 1);
l->Blink ();
_texture = TextureId (TEXTURE_LATTICE);
}
void CDeco::CreateLogo (GLvector2 start, GLvector2 end, float bottom, int seed, GLrgba color)
{
GLvertex p;
quad_strip qs;
float u1, u2, v1, v2;
float top;
float height, length;
GLvector2 center2d;
GLvector to;
GLvector out;
int logo_index;
qs.index_list.push_back(0);
qs.index_list.push_back(1);
qs.index_list.push_back(3);
qs.index_list.push_back(2);
_use_alpha = true;
_color = color;
logo_index = seed % LOGO_ROWS;
to = glVector (start.x, 0.0f, start.y) - glVector (end.x, 0.0f, end.y);
to = glVectorNormalize (to);
out = glVectorCrossProduct (glVector (0.0f, 1.0f, 0.0f), to) * LOGO_OFFSET;
center2d = (start + end) / 2;
_center = glVector (center2d.x, bottom, center2d.y);
length = glVectorLength (start - end);
height = (length / 8.0f) * 1.5f;
top = bottom + height;
u1 = 0.0f;
u2 = 0.5f;//We actually only use the left half of the texture
v1 = (float)logo_index / LOGO_ROWS;
v2 = v1 + (1.0f / LOGO_ROWS);
p.position = glVector (start.x, bottom, start.y) + out; p.uv = glVector (u1,v1);
_mesh->VertexAdd (p);
p.position = glVector (end.x, bottom, end.y) + out; p.uv = glVector (u2, v1);
_mesh->VertexAdd (p);
p.position = glVector (end.x, top, end.y) + out; p.uv = glVector (u2, v2);
_mesh->VertexAdd (p);
p.position = glVector (start.x, top, start.y) + out; p.uv = glVector (u1, v2);
_mesh->VertexAdd (p);
_mesh->QuadStripAdd (qs);
_texture = TextureId (TEXTURE_LOGOS);
}
void CCar::Update (void)
{
int new_row, new_col;
GLvector old_pos;
GLvector camera;
//If the car isn't ready, place it on the map and get it moving
camera = CameraPosition ();
if (!m_ready) {
//if the car isn't ready, we need to place it somewhere on the map
m_row = DEAD_ZONE + RandomVal (WORLD_SIZE - DEAD_ZONE * 2);
m_col = DEAD_ZONE + RandomVal (WORLD_SIZE - DEAD_ZONE * 2);
//if there is already a car here, forget it.
if (carmap[m_row][m_col] > 0)
return;
//if this spot is not a road, forget it
if (!(WorldCell (m_row, m_col) & CLAIM_ROAD))
return;
if (!Visible (glVector ((float)m_row, 0.0f, (float)m_col)))
return;
//good spot. place the car
m_position = glVector ((float)m_row, 0.1f, (float)m_col);
m_drive_position = m_position;
m_ready = true;
if (WorldCell (m_row, m_col) & MAP_ROAD_NORTH)
m_direction = NORTH;
if (WorldCell (m_row, m_col) & MAP_ROAD_EAST)
m_direction = EAST;
if (WorldCell (m_row, m_col) & MAP_ROAD_SOUTH)
m_direction = SOUTH;
if (WorldCell (m_row, m_col) & MAP_ROAD_WEST)
m_direction = WEST;
m_drive_angle = dangles[m_direction];
m_max_speed = (float)(4 + RandomVal (6)) / 10.0f;
m_speed = 0.0f;
m_change = 3;
m_stuck = 0;
carmap[m_row][m_col]++;
}
//take the car off the map and move it
carmap[m_row][m_col]--;
old_pos = m_position;
m_speed += m_max_speed * 0.05f;
m_speed = MIN (m_speed, m_max_speed);
m_position += direction[m_direction] * MOVEMENT_SPEED * m_speed;
//If the car has moved out of view, there's no need to keep simulating it.
if (!Visible (glVector ((float)m_row, 0.0f, (float)m_col)))
m_ready = false;
//if the car is far away, remove it. We use manhattan units because buildings almost always
//block views of cars on the diagonal.
if (fabs (camera.x - m_position.x) + fabs (camera.z - m_position.z) > RenderFogDistance ())
m_ready = false;
//if the car gets too close to the edge of the map, take it out of play
if (m_position.x < DEAD_ZONE || m_position.x > (WORLD_SIZE - DEAD_ZONE))
m_ready = false;
if (m_position.z < DEAD_ZONE || m_position.z > (WORLD_SIZE - DEAD_ZONE))
m_ready = false;
if (m_stuck >= STUCK_TIME)
m_ready = false;
if (!m_ready)
return;
//Check the new position and make sure its not in another car
new_row = (int)m_position.x;
new_col = (int)m_position.z;
if (new_row != m_row || new_col != m_col) {
//see if the new position places us on top of another car
if (carmap[new_row][new_col]) {
m_position = old_pos;
m_speed = 0.0f;
m_stuck++;
} else {
//look at the new position and decide if we're heading towards or away from the camera
m_row = new_row;
m_col = new_col;
m_change--;
m_stuck = 0;
if (m_direction == NORTH)
m_front = camera.z < m_position.z;
else if (m_direction == SOUTH)
m_front = camera.z > m_position.z;
else if (m_direction == EAST)
m_front = camera.x > m_position.x;
else
m_front = camera.x < m_position.x;
}
}
m_drive_position = (m_drive_position + m_position) / 2.0f;
//place the car back on the map
carmap[m_row][m_col]++;
}
void CBuilding::CreateModern ()
{
GLvertex p;
GLvector center;
GLvector pos;
GLvector2 radius;
GLvector2 start, end;
int angle;
int windows;
int cap_height;
int half_depth, half_width;
float dist;
float length;
quad_strip qs;
fan f;
int points;
int skip_interval;
int skip_counter;
int skip_delta;
int i;
bool logo_done;
bool do_trim;
CDeco* d;
logo_done = false;
//How tall the windowless section on top will be.
cap_height = 1 + RandomVal (5);
//How many 10-degree segments to build before the next skip.
skip_interval = 1 + RandomVal (8);
//When a skip happens, how many degrees should be skipped
skip_delta = (1 + RandomVal (2)) * 30; //30 60 or 90
//See if this is eligible for fancy lighting trim on top
if (_height > 48 && RandomVal (3) == 0)
do_trim = true;
else
do_trim = false;
//Get the center and radius of the circle
half_depth = _depth / 2;
half_width = _width / 2;
center = glVector ((float)(_x + half_width), 0.0f, (float)(_y + half_depth));
radius = glVector ((float)half_width, (float)half_depth);
dist = 0;
windows = 0;
p.uv.x = 0.0f;
points = 0;
skip_counter = 0;
for (angle = 0; angle <= 360; angle += 10) {
if (skip_counter >= skip_interval && (angle + skip_delta < 360)) {
angle += skip_delta;
skip_counter = 0;
}
pos.x = center.x - sinf ((float)angle * DEGREES_TO_RADIANS) * radius.x;
pos.z = center.z + cosf ((float)angle * DEGREES_TO_RADIANS) * radius.y;
if (angle > 0 && skip_counter == 0) {
length = MathDistance (p.position.x, p.position.z, pos.x, pos.z);
windows += (int)length;
if (length > 10 && !logo_done) {
logo_done = true;
start = glVector (pos.x, pos.z);
end = glVector (p.position.x, p.position.z);
d = new CDeco;
d->CreateLogo (start, end, (float)_height, WorldLogoIndex (), RANDOM_COLOR);
}
} else if (skip_counter != 1)
windows++;
p.position = pos;
p.uv.x = (float)windows / (float)SEGMENTS_PER_TEXTURE;
p.uv.y = 0.0f;
p.position.y = 0.0f;
_mesh->VertexAdd (p);
p.position.y = (float)_height;
p.uv.y = (float)_height / (float)SEGMENTS_PER_TEXTURE;
_mesh->VertexAdd (p);
_mesh_flat->VertexAdd (p);
p.position.y += (float)cap_height;
_mesh_flat->VertexAdd (p);
vector_buffer[points / 2] = p.position;
vector_buffer[points / 2].y = (float)_height + cap_height / 4;
points += 2;
skip_counter++;
}
//if this is a big building and it didn't get a logo, consider giving it a light strip
if (!logo_done && do_trim) {
d = new CDeco;
d->CreateLightTrim (vector_buffer, (points / 2) - 2, (float)cap_height / 2, _seed, RANDOM_COLOR);
}
qs.index_list.reserve(points);
//Add the outer walls
for (i = 0; i < points; i++)
qs.index_list.push_back(i);
_mesh->QuadStripAdd (qs);
_mesh_flat->QuadStripAdd (qs);
//add the fan to cap the top of the buildings
f.index_list.push_back(points);
for (i = 0; i < points / 2; i++)
f.index_list.push_back(points - (1 + i * 2));
p.position.x = _center.x;
p.position.z = _center.z;
_mesh_flat->VertexAdd (p);
_mesh_flat->FanAdd (f);
radius /= 2.0f;
//ConstructRoof ((int)(_center.x - radius), (int)(_center.x + radius), (int)(_center.z - radius), (int)(_center.z + radius), _height + cap_height);
_mesh->Compile ();
_mesh_flat->Compile ();
}
GLvector2 GLvector2::operator* (const GLvector2& c)
{
return glVector (x * c.x, y * c.y);
}
GLvector2 GLvector2::operator- (const GLvector2& c)
{
return glVector (x - c.x, y - c.y);
}
GLvector2 GLvector2::operator/ (const GLvector2& c)
{
return glVector (x / c.x, y / c.y);
}
void CBuilding::ConstructRoof (float left, float right, float front, float back, float bottom)
{
int air_conditioners;
int i;
int width, depth, height;
int face;
int addon = ADDON_NONE;
int max_tiers;
float ac_x;
float ac_y;
float ac_base;
float ac_size;
float ac_height;
float tower_height;
float logo_offset;
CDeco* d;
GLvector2 start, end;
_roof_tiers++;
max_tiers = _height / 10;
width = (int)(right - left);
depth = (int)(back - front);
height = 5 - _roof_tiers;
logo_offset = 0.2f;
//See if this building is special and worthy of fancy roof decorations.
if (bottom > 35.0f)
addon = RandomVal (ADDON_COUNT);
//Build the roof slab
ConstructCube (left, right, front, back, bottom, bottom + (float)height);
//Consider putting a logo on the roof, if it's tall enough
if (addon == ADDON_LOGO && !_have_logo) {
d = new CDeco;
if (width > depth)
face = COIN_FLIP ? NORTH : SOUTH;
else
face = COIN_FLIP ? EAST : WEST;
switch (face) {
case NORTH:
start = glVector ((float)left, (float)back + logo_offset);
end = glVector ((float)right, (float)back + logo_offset);
break;
case SOUTH:
start = glVector ((float)right, (float)front - logo_offset);
end = glVector ((float)left, (float)front - logo_offset);
break;
case EAST:
start = glVector ((float)right + logo_offset, (float)back);
end = glVector ((float)right + logo_offset, (float)front);
break;
case WEST:
default:
start = glVector ((float)left - logo_offset, (float)front);
end = glVector ((float)left - logo_offset, (float)back);
break;
}
d->CreateLogo (start, end, bottom, WorldLogoIndex (), _trim_color);
_have_logo = true;
} else if (addon == ADDON_TRIM) {
d = new CDeco;
vector_buffer[0] = glVector (left, bottom, back);
vector_buffer[1] = glVector (left, bottom, front);
vector_buffer[2] = glVector (right, bottom, front);
vector_buffer[3] = glVector (right, bottom, back);
d->CreateLightTrim (vector_buffer, 4, (float)RandomVal (2) + 1.0f, _seed, _trim_color);
} else if (addon == ADDON_LIGHTS && !_have_lights) {
new CLight (glVector (left, (float)(bottom + 2), front), _trim_color, 2);
new CLight (glVector (right, (float)(bottom + 2), front), _trim_color, 2);
new CLight (glVector (right, (float)(bottom + 2), back), _trim_color, 2);
new CLight (glVector (left, (float)(bottom + 2), back), _trim_color, 2);
_have_lights = true;
}
bottom += (float)height;
//If the roof is big enough, consider making another layer
if (width > 7 && depth > 7 && _roof_tiers < max_tiers) {
ConstructRoof (left + 1, right - 1, front + 1, back - 1, bottom);
return;
}
//1 air conditioner block for every 15 floors sounds reasonble
air_conditioners = _height / 15;
for (i = 0; i < air_conditioners; i++) {
ac_size = (float)(10 + RandomVal (30)) / 10;
ac_height = (float)RandomVal (20) / 10 + 1.0f;
ac_x = left + (float)RandomVal (width);
ac_y = front + (float)RandomVal (depth);
//make sure the unit doesn't hang off the right edge of the building
if (ac_x + ac_size > (float)right)
ac_x = (float)right - ac_size;
//make sure the unit doesn't hang off the back edge of the building
if (ac_y + ac_size > (float)back)
ac_y = (float)back - ac_size;
ac_base = (float)bottom;
//make sure it doesn't hang off the edge
ConstructCube (ac_x, ac_x + ac_size, ac_y, ac_y + ac_size, ac_base, ac_base + ac_height);
}
if (_height > 45) {
d = new CDeco;
tower_height = (float)(12 + RandomVal (8));
d->CreateRadioTower (glVector ((float)(left + right) / 2.0f, (float)bottom, (float)(front + back) / 2.0f), 15.0f);
}
}
void CBuilding::ConstructCube (float left, float right, float front, float back, float bottom, float top)
{
GLvertex p[10];
float x1, x2, z1, z2, y1, y2;
int i;
cube c;
int base_index;
x1 = left;
x2 = right;
y1 = bottom;
y2 = top;
z1 = front;
z2 = back;
base_index = _mesh_flat->VertexCount ();
p[0].position = glVector (x1, y1, z1); p[0].uv = glVector (0.0f, 0.0f);
p[1].position = glVector (x1, y2, z1); p[1].uv = glVector (0.0f, 0.0f);
p[2].position = glVector (x2, y1, z1); p[2].uv = glVector (0.0f, 0.0f);
p[3].position = glVector (x2, y2, z1); p[3].uv = glVector (0.0f, 0.0f);
p[4].position = glVector (x2, y1, z2); p[4].uv = glVector (0.0f, 0.0f);
p[5].position = glVector (x2, y2, z2); p[5].uv = glVector (0.0f, 0.0f);
p[6].position = glVector (x1, y1, z2); p[6].uv = glVector (0.0f, 0.0f);
p[7].position = glVector (x1, y2, z2); p[7].uv = glVector (0.0f, 0.0f);
p[8].position = glVector (x1, y1, z1); p[8].uv = glVector (0.0f, 0.0f);
p[9].position = glVector (x1, y2, z1); p[9].uv = glVector (0.0f, 0.0f);
for (i = 0; i < 10; i++) {
p[i].uv.x = (p[i].position.x + p[i].position.z) / (float)SEGMENTS_PER_TEXTURE;
_mesh_flat->VertexAdd (p[i]);
c.index_list.push_back(base_index + i);
}
_mesh_flat->CubeAdd (c);
}
GLvector2 GLvector2::operator- (const float& c)
{
return glVector (x - c, y - c);
}
void CBuilding::CreateSimple ()
{
GLvertex p;
float x1, x2, z1, z2, y1, y2;
quad_strip qs;
float u, v1, v2;
float cap_height;
float ledge;
for(int i=0; i<10; i++)
qs.index_list.push_back(i);
//How tall the flat-color roof is
cap_height = (float)(1 + RandomVal (4));
//how much the ledge sticks out
ledge = (float)RandomVal (10) / 30.0f;
x1 = (float)_x;
x2 = (float)(_x + _width);
y1 = (float)0.0f;
y2 = (float)_height;
z2 = (float)_y;
z1 = (float)(_y + _depth);
u = (float)(RandomVal (SEGMENTS_PER_TEXTURE)) / SEGMENTS_PER_TEXTURE;
v1 = (float)(RandomVal (SEGMENTS_PER_TEXTURE)) / SEGMENTS_PER_TEXTURE;
v2 = v1 + (float)_height * ONE_SEGMENT;
p.position = glVector (x1, y1, z1); p.uv = glVector (u, v1);
_mesh->VertexAdd (p);
p.position = glVector (x1, y2, z1); p.uv = glVector (u, v2);
_mesh->VertexAdd (p);
u += (float)_depth / SEGMENTS_PER_TEXTURE;
p.position = glVector (x1, y1, z2); p.uv = glVector (u, v1);
_mesh->VertexAdd (p);
p.position = glVector (x1, y2, z2); p.uv = glVector (u, v2);
_mesh->VertexAdd (p);
u += (float)_width / SEGMENTS_PER_TEXTURE;
p.position = glVector (x2, y1, z2); p.uv = glVector (u, v1);
_mesh->VertexAdd (p);
p.position = glVector (x2, y2, z2); p.uv = glVector (u, v2);
_mesh->VertexAdd (p);
u += (float)_depth / SEGMENTS_PER_TEXTURE;
p.position = glVector (x2, y1, z1); p.uv = glVector (u, v1);
_mesh->VertexAdd (p);
p.position = glVector (x2, y2, z1); p.uv = glVector (u, v2);
_mesh->VertexAdd (p);
u += (float)_depth / SEGMENTS_PER_TEXTURE;
p.position = glVector (x1, y1, z1); p.uv = glVector (u, v1);
_mesh->VertexAdd (p);
p.position = glVector (x1, y2, z1); p.uv = glVector (u, v2);
_mesh->VertexAdd (p);
_mesh->QuadStripAdd (qs);
ConstructCube (x1 - ledge, x2 + ledge, z2 - ledge, z1 + ledge, (float)_height, (float)_height + cap_height);
_mesh->Compile ();
}
GLvector2 GLvector2::operator* (const float& c)
{
return glVector (x * c, y * c);
}
static void do_compile ()
{
ent_list_t::iterator i;
int x, y;
if (compiled)
return;
x = compile_x;
y = compile_y;
//Changing textures is pretty expensive, and thus sorting the entites so that
//they are grouped by texture used can really improve framerate.
//qsort (entity_list, entity_count, sizeof (struct entity), do_compare);
//sorted = true;
//Now group entites on the grid
//make a list for the textured objects in this region
if (!cell_list[x][y].list_textured)
cell_list[x][y].list_textured = glGenLists(1);
glNewList (cell_list[x][y].list_textured, GL_COMPILE);
cell_list[x][y].pos = glVector (GRID_TO_WORLD(x), 0.0f, (float)y * GRID_RESOLUTION);
for (i = entity_list.begin(); i < entity_list.end(); ++i) {
GLvector pos = (*i)->Center ();
if (WORLD_TO_GRID(pos.x) == x && WORLD_TO_GRID(pos.z) == y && !(*i)->Alpha ()) {
glBindTexture(GL_TEXTURE_2D, (*i)->Texture ());
(*i)->Render ();
}
}
glEndList();
//Make a list of flat-color stuff (A/C units, ledges, roofs, etc.)
if (!cell_list[x][y].list_flat)
cell_list[x][y].list_flat = glGenLists(1);
glNewList (cell_list[x][y].list_flat, GL_COMPILE);
glEnable (GL_CULL_FACE);
cell_list[x][y].pos = glVector (GRID_TO_WORLD(x), 0.0f, (float)y * GRID_RESOLUTION);
for (i = entity_list.begin(); i < entity_list.end(); ++i) {
GLvector pos = (*i)->Center ();
if (WORLD_TO_GRID(pos.x) == x && WORLD_TO_GRID(pos.z) == y && !(*i)->Alpha ()) {
(*i)->RenderFlat (false);
}
}
glEndList();
//Now a list of flat-colored stuff that will be wireframe friendly
if (!cell_list[x][y].list_flat_wireframe)
cell_list[x][y].list_flat_wireframe = glGenLists(1);
glNewList (cell_list[x][y].list_flat_wireframe, GL_COMPILE);
glEnable (GL_CULL_FACE);
cell_list[x][y].pos = glVector (GRID_TO_WORLD(x), 0.0f, (float)y * GRID_RESOLUTION);
for (i = entity_list.begin(); i < entity_list.end(); ++i) {
GLvector pos = (*i)->Center ();
if (WORLD_TO_GRID(pos.x) == x && WORLD_TO_GRID(pos.z) == y && !(*i)->Alpha ()) {
(*i)->RenderFlat (true);
}
}
glEndList();
//Now a list of stuff to be alpha-blended, and thus rendered last
if (!cell_list[x][y].list_alpha)
cell_list[x][y].list_alpha = glGenLists(1);
glNewList (cell_list[x][y].list_alpha, GL_COMPILE);
cell_list[x][y].pos = glVector (GRID_TO_WORLD(x), 0.0f, (float)y * GRID_RESOLUTION);
glDepthMask (false);
glEnable (GL_BLEND);
glDisable (GL_CULL_FACE);
for (i = entity_list.begin(); i < entity_list.end(); ++i) {
GLvector pos = (*i)->Center ();
if (WORLD_TO_GRID(pos.x) == x && WORLD_TO_GRID(pos.z) == y && (*i)->Alpha ()) {
glBindTexture(GL_TEXTURE_2D, (*i)->Texture ());
(*i)->Render ();
}
}
glDepthMask (true);
glEndList();
//now walk the grid
compile_x++;
if (compile_x == GRID_SIZE) {
compile_x = 0;
compile_y++;
if (compile_y == GRID_SIZE)
compiled = true;
compile_end = GetTimeInMillis ();
}
compile_count++;
}
GLvector2 GLvector2::operator/ (const float& c)
{
return glVector (x / c, y / c);
}
float CBuilding::ConstructWall (int start_x, int start_y, int start_z, int direction, int length, int height, int window_groups, float uv_start, bool blank_corners)
{
int x, z;
int step_x, step_z;
int i;
quad_strip qs;
int column;
int mid;
int odd;
GLvertex v;
bool blank;
bool last_blank;
qs.index_list.reserve(100);
switch (direction) {
case NORTH:
step_z = 1; step_x = 0; break;
case WEST:
step_z = 0; step_x = -1; break;
case SOUTH:
step_z = -1; step_x = 0; break;
case EAST:
step_z = 0; step_x = 1; break;
default:
return 0.0f;
}
x = start_x;;
z = start_z;
mid = (length / 2) - 1;
odd = 1 - (length % 2);
if (length % 2)
mid++;
//mid = (length / 2);
v.uv.x = (float)(x + z) / SEGMENTS_PER_TEXTURE;
v.uv.x = uv_start;
blank = false;
for (i = 0; i <= length; i++) {
//column counts up to the mid point, then back down, to make it symetrical
if (i <= mid)
column = i - odd;
else
column = (mid) - (i - (mid));
last_blank = blank;
blank = (column % window_groups) > window_groups / 2;
if (blank_corners && i == 0)
blank = true;
if (blank_corners && i == (length - 1))
blank = true;
if (last_blank != blank || i == 0 || i == length) {
v.position = glVector ((float)x, (float)start_y, (float)z);
v.uv.y = (float)start_y / SEGMENTS_PER_TEXTURE;
_mesh->VertexAdd (v);
qs.index_list.push_back(_mesh->VertexCount () - 1);
v.position.y = (float)(start_y + height);
v.uv.y = (float)(start_y + height) / SEGMENTS_PER_TEXTURE;;
_mesh->VertexAdd (v);
qs.index_list.push_back(_mesh->VertexCount () - 1);
}
//if (!blank && i != 0 && i != (length - 1))
if (!blank && i != length)
v.uv.x += 1.0f / SEGMENTS_PER_TEXTURE;
x += step_x;
z += step_z;
}
_mesh->QuadStripAdd (qs);
return v.uv.x;
}
