static void getArrowVertices(Vector2x position, Vector3x normal, struct vertex_p2f_c4f * outVertices, GLuint * outIndexes, unsigned int * ioVertexCount, unsigned int * ioIndexCount) {
if (outVertices != NULL) {
struct vertex_p2f_c4f vertex;
Vector2f positionf = VECTOR2f(xtof(position.x), xtof(position.y));
Vector2f normalf = VECTOR2f(xtof(normal.x), xtof(normal.y));
vertex.color[0] = 1.0f;
vertex.color[1] = 0.0f;
vertex.color[2] = 0.0f;
vertex.color[3] = 1.0f;
vertex.position[0] = positionf.x - normalf.x * ARROW_RADIUS;
vertex.position[1] = positionf.y - normalf.y * ARROW_RADIUS;
outVertices[*ioVertexCount + 0] = vertex;
vertex.position[0] = positionf.x + normalf.x * ARROW_RADIUS;
vertex.position[1] = positionf.y + normalf.y * ARROW_RADIUS;
outVertices[*ioVertexCount + 1] = vertex;
vertex.position[0] = positionf.x + normalf.y * ARROW_RADIUS * 0.5f;
vertex.position[1] = positionf.y - normalf.x * ARROW_RADIUS * 0.5f;
outVertices[*ioVertexCount + 2] = vertex;
vertex.position[0] = positionf.x - normalf.y * ARROW_RADIUS * 0.5f;
vertex.position[1] = positionf.y + normalf.x * ARROW_RADIUS * 0.5f;
outVertices[*ioVertexCount + 3] = vertex;
}
if (outIndexes != NULL) {
outIndexes[*ioIndexCount + 0] = *ioVertexCount + 0;
outIndexes[*ioIndexCount + 1] = *ioVertexCount + 1;
outIndexes[*ioIndexCount + 2] = *ioVertexCount + 1;
outIndexes[*ioIndexCount + 3] = *ioVertexCount + 2;
outIndexes[*ioIndexCount + 4] = *ioVertexCount + 1;
outIndexes[*ioIndexCount + 5] = *ioVertexCount + 3;
}
*ioVertexCount += 4;
*ioIndexCount += 6;
}
f32 CFileReader::readFloat()
{
return xtof(readNext(m_buffer_2, BUF_2_SIZE));
}
static void getCollisionObjectVertices(SingleFrameScreen2D * self, struct vertex_p2f_c4f * outVertices, GLuint * outIndexes, unsigned int * ioVertexCount, unsigned int * ioIndexCount) {
size_t objectIndex;
CollisionObject * object;
struct vertex_p2f_c4f vertex;
bool colliding;
CollisionRecord collision;
for (objectIndex = 0; objectIndex < self->resolver->objectCount; objectIndex++) {
object = self->resolver->objects[objectIndex];
colliding = CollisionResolver_querySingle(self->resolver, object, &collision);
switch (object->shapeType) {
case COLLISION_SHAPE_RECT_2D: {
CollisionRect2D * rect = (CollisionRect2D *) object;
unsigned int vertexIndex;
if (outVertices != NULL) {
if (objectIndex == self->selectedObjectIndex) {
setVertexColor(&vertex, COLOR_RECT_LAST_POSITION_HIGHLIGHT);
} else {
setVertexColor(&vertex, COLOR_RECT_LAST_POSITION);
}
vertex.position[0] = xtof(rect->lastPosition.x);
vertex.position[1] = xtof(rect->lastPosition.y);
outVertices[*ioVertexCount + 0] = vertex;
vertex.position[0] = xtof(rect->lastPosition.x + rect->lastSize.x);
outVertices[*ioVertexCount + 1] = vertex;
vertex.position[1] = xtof(rect->lastPosition.y + rect->lastSize.y);
outVertices[*ioVertexCount + 2] = vertex;
vertex.position[0] = xtof(rect->lastPosition.x);
outVertices[*ioVertexCount + 3] = vertex;
if (colliding) {
if (objectIndex == self->selectedObjectIndex) {
setVertexColor(&vertex, COLOR_RECT_POSITION_COLLIDING_HIGHLIGHT);
} else {
setVertexColor(&vertex, COLOR_RECT_POSITION_COLLIDING);
}
} else {
if (objectIndex == self->selectedObjectIndex) {
setVertexColor(&vertex, COLOR_RECT_POSITION_HIGHLIGHT);
} else {
setVertexColor(&vertex, COLOR_RECT_POSITION);
}
}
vertex.position[0] = xtof(rect->position.x);
vertex.position[1] = xtof(rect->position.y);
outVertices[*ioVertexCount + 4] = vertex;
vertex.position[0] = xtof(rect->position.x + rect->size.x);
outVertices[*ioVertexCount + 5] = vertex;
vertex.position[1] = xtof(rect->position.y + rect->size.y);
outVertices[*ioVertexCount + 6] = vertex;
vertex.position[0] = xtof(rect->position.x);
outVertices[*ioVertexCount + 7] = vertex;
}
if (outIndexes != NULL) {
bool solid[4] = {rect->solidBottom, rect->solidRight, rect->solidTop, rect->solidLeft};
for (vertexIndex = 0; vertexIndex < 4; vertexIndex++) {
if (solid[vertexIndex]) {
outIndexes[(*ioIndexCount)++] = *ioVertexCount + vertexIndex;
outIndexes[(*ioIndexCount)++] = *ioVertexCount + (vertexIndex + 1) % 4;
}
}
for (vertexIndex = 0; vertexIndex < 4; vertexIndex++) {
outIndexes[(*ioIndexCount)++] = *ioVertexCount + 0 + vertexIndex;
outIndexes[(*ioIndexCount)++] = *ioVertexCount + 4 + vertexIndex;
}
for (vertexIndex = 0; vertexIndex < 4; vertexIndex++) {
if (solid[vertexIndex]) {
outIndexes[(*ioIndexCount)++] = *ioVertexCount + 4 + vertexIndex;
outIndexes[(*ioIndexCount)++] = *ioVertexCount + 4 + (vertexIndex + 1) % 4;
}
}
} else {
*ioIndexCount += 8 + 4 * rect->solidLeft + 4 * rect->solidRight + 4 * rect->solidBottom + 4 * rect->solidTop;
}
*ioVertexCount += 8;
if (colliding) {
Vector2x collidingPosition = Vector2x_interpolate(rect->lastPosition, rect->position, collision.time);
Vector2x collidingSize = Vector2x_interpolate(rect->lastSize, rect->size, collision.time);
if (outVertices != NULL) {
if (objectIndex == self->selectedObjectIndex) {
setVertexColor(&vertex, COLOR_RECT_POSITION_HIGHLIGHT);
} else {
setVertexColor(&vertex, COLOR_RECT_POSITION);
}
vertex.position[0] = xtof(collidingPosition.x);
vertex.position[1] = xtof(collidingPosition.y);
outVertices[*ioVertexCount + 0] = vertex;
vertex.position[0] = xtof(collidingPosition.x + collidingSize.x);
outVertices[*ioVertexCount + 1] = vertex;
vertex.position[1] = xtof(collidingPosition.y + collidingSize.y);
outVertices[*ioVertexCount + 2] = vertex;
vertex.position[0] = xtof(collidingPosition.x);
outVertices[*ioVertexCount + 3] = vertex;
}
if (outIndexes != NULL) {
bool solid[4] = {rect->solidBottom, rect->solidRight, rect->solidTop, rect->solidLeft};
for (vertexIndex = 0; vertexIndex < 4; vertexIndex++) {
if (solid[vertexIndex]) {
outIndexes[(*ioIndexCount)++] = *ioVertexCount + vertexIndex;
outIndexes[(*ioIndexCount)++] = *ioVertexCount + (vertexIndex + 1) % 4;
}
}
} else {
*ioIndexCount += 2 * rect->solidLeft + 2 * rect->solidRight + 2 * rect->solidBottom + 2 * rect->solidTop;
}
*ioVertexCount += 4;
getArrowVertices(VECTOR2x(collidingPosition.x + collidingSize.x / 2, collidingPosition.y + collidingSize.y / 2), collision.normal, outVertices, outIndexes, ioVertexCount, ioIndexCount);
}
break;
}
case COLLISION_SHAPE_CIRCLE: {
CollisionCircle * circle = (CollisionCircle *) object;
unsigned int tesselationIndex;
if (outVertices != NULL) {
if (objectIndex == self->selectedObjectIndex) {
setVertexColor(&vertex, COLOR_CIRCLE_LAST_POSITION_HIGHLIGHT);
} else {
setVertexColor(&vertex, COLOR_CIRCLE_LAST_POSITION);
}
for (tesselationIndex = 0; tesselationIndex < CIRCLE_TESSELATIONS; tesselationIndex++) {
vertex.position[0] = xtof(circle->lastPosition.x) + xtof(circle->radius) * cos(tesselationIndex * M_PI * 2 / CIRCLE_TESSELATIONS);
vertex.position[1] = xtof(circle->lastPosition.y) + xtof(circle->radius) * sin(tesselationIndex * M_PI * 2 / CIRCLE_TESSELATIONS);
outVertices[*ioVertexCount + tesselationIndex] = vertex;
}
if (colliding) {
if (objectIndex == self->selectedObjectIndex) {
setVertexColor(&vertex, COLOR_CIRCLE_POSITION_COLLIDING_HIGHLIGHT);
} else {
setVertexColor(&vertex, COLOR_CIRCLE_POSITION_COLLIDING);
}
} else {
if (objectIndex == self->selectedObjectIndex) {
setVertexColor(&vertex, COLOR_CIRCLE_POSITION_HIGHLIGHT);
} else {
setVertexColor(&vertex, COLOR_CIRCLE_POSITION);
}
}
for (tesselationIndex = 0; tesselationIndex < CIRCLE_TESSELATIONS; tesselationIndex++) {
vertex.position[0] = xtof(circle->position.x) + xtof(circle->radius) * cos(tesselationIndex * M_PI * 2 / CIRCLE_TESSELATIONS);
vertex.position[1] = xtof(circle->position.y) + xtof(circle->radius) * sin(tesselationIndex * M_PI * 2 / CIRCLE_TESSELATIONS);
outVertices[*ioVertexCount + CIRCLE_TESSELATIONS + tesselationIndex] = vertex;
}
}
if (outIndexes != NULL) {
float angle;
int bestEdgeIndex;
for (tesselationIndex = 0; tesselationIndex < CIRCLE_TESSELATIONS; tesselationIndex++) {
outIndexes[*ioIndexCount + tesselationIndex * 2 + 0] = *ioVertexCount + tesselationIndex;
outIndexes[*ioIndexCount + tesselationIndex * 2 + 1] = *ioVertexCount + (tesselationIndex + 1) % CIRCLE_TESSELATIONS;
}
angle = atan2(circle->position.y - circle->lastPosition.y, circle->position.x - circle->lastPosition.x);
bestEdgeIndex = round((angle + M_PI / 2) * CIRCLE_TESSELATIONS / (M_PI * 2));
bestEdgeIndex = (bestEdgeIndex % CIRCLE_TESSELATIONS + CIRCLE_TESSELATIONS) % CIRCLE_TESSELATIONS;
outIndexes[*ioIndexCount + CIRCLE_TESSELATIONS * 2 + 0] = *ioVertexCount + bestEdgeIndex;
outIndexes[*ioIndexCount + CIRCLE_TESSELATIONS * 2 + 1] = *ioVertexCount + bestEdgeIndex + CIRCLE_TESSELATIONS;
bestEdgeIndex += CIRCLE_TESSELATIONS / 2;
bestEdgeIndex %= CIRCLE_TESSELATIONS;
outIndexes[*ioIndexCount + CIRCLE_TESSELATIONS * 2 + 2] = *ioVertexCount + bestEdgeIndex;
outIndexes[*ioIndexCount + CIRCLE_TESSELATIONS * 2 + 3] = *ioVertexCount + bestEdgeIndex + CIRCLE_TESSELATIONS;
for (tesselationIndex = 0; tesselationIndex < CIRCLE_TESSELATIONS; tesselationIndex++) {
outIndexes[*ioIndexCount + CIRCLE_TESSELATIONS * 2 + 4 + tesselationIndex * 2] = *ioVertexCount + CIRCLE_TESSELATIONS + tesselationIndex;
outIndexes[*ioIndexCount + CIRCLE_TESSELATIONS * 2 + 5 + tesselationIndex * 2] = *ioVertexCount + CIRCLE_TESSELATIONS + (tesselationIndex + 1) % CIRCLE_TESSELATIONS;
}
}
*ioVertexCount += CIRCLE_TESSELATIONS * 2;
*ioIndexCount += CIRCLE_TESSELATIONS * 4 + 4;
if (colliding) {
Vector2x collidingPosition = Vector2x_interpolate(circle->lastPosition, circle->position, collision.time);
if (outVertices != NULL) {
if (objectIndex == self->selectedObjectIndex) {
setVertexColor(&vertex, COLOR_CIRCLE_POSITION_HIGHLIGHT);
} else {
setVertexColor(&vertex, COLOR_CIRCLE_POSITION);
}
for (tesselationIndex = 0; tesselationIndex < CIRCLE_TESSELATIONS; tesselationIndex++) {
vertex.position[0] = xtof(collidingPosition.x) + xtof(circle->radius) * cos(tesselationIndex * M_PI * 2 / CIRCLE_TESSELATIONS);
vertex.position[1] = xtof(collidingPosition.y) + xtof(circle->radius) * sin(tesselationIndex * M_PI * 2 / CIRCLE_TESSELATIONS);
outVertices[*ioVertexCount + tesselationIndex] = vertex;
}
}
if (outIndexes != NULL) {
for (tesselationIndex = 0; tesselationIndex < CIRCLE_TESSELATIONS; tesselationIndex++) {
outIndexes[*ioIndexCount + tesselationIndex * 2 + 0] = *ioVertexCount + tesselationIndex;
outIndexes[*ioIndexCount + tesselationIndex * 2 + 1] = *ioVertexCount + (tesselationIndex + 1) % CIRCLE_TESSELATIONS;
}
}
*ioVertexCount += CIRCLE_TESSELATIONS;
*ioIndexCount += CIRCLE_TESSELATIONS * 2;
getArrowVertices(collidingPosition, collision.normal, outVertices, outIndexes, ioVertexCount, ioIndexCount);
}
break;
}
}
}
}
