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Review ResolveCollisionCubicmap()

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This function needs to be redesigned or removed...
This commit is contained in:
Ray
2016-07-04 01:30:07 +02:00
parent ee72654b55
commit 2f9abe6e13
1 changed files with 37 additions and 34 deletions
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71
src/models.c
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@@ -40,7 +40,7 @@
//---------------------------------------------------------------------------------- //----------------------------------------------------------------------------------
// Defines and Macros // Defines and Macros
//---------------------------------------------------------------------------------- //----------------------------------------------------------------------------------
#define CUBIC_MAP_HALF_BLOCK_SIZE 0.5 // ...
//---------------------------------------------------------------------------------- //----------------------------------------------------------------------------------
// Types and Structures Definition // Types and Structures Definition
@@ -1542,8 +1542,11 @@ BoundingBox CalculateBoundingBox(Mesh mesh)
// Detect and resolve cubicmap collisions // Detect and resolve cubicmap collisions
// NOTE: player position (or camera) is modified inside this function // NOTE: player position (or camera) is modified inside this function
// TODO: This functions needs to be completely reviewed!
Vector3 ResolveCollisionCubicmap(Image cubicmap, Vector3 mapPosition, Vector3 *playerPosition, float radius) Vector3 ResolveCollisionCubicmap(Image cubicmap, Vector3 mapPosition, Vector3 *playerPosition, float radius)
{ {
#define CUBIC_MAP_HALF_BLOCK_SIZE 0.5
Color *cubicmapPixels = GetImageData(cubicmap); Color *cubicmapPixels = GetImageData(cubicmap);
// Detect the cell where the player is located // Detect the cell where the player is located
@@ -1555,15 +1558,15 @@ Vector3 ResolveCollisionCubicmap(Image cubicmap, Vector3 mapPosition, Vector3 *p
locationCellX = floor(playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE); locationCellX = floor(playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE);
locationCellY = floor(playerPosition->z - mapPosition.z + CUBIC_MAP_HALF_BLOCK_SIZE); locationCellY = floor(playerPosition->z - mapPosition.z + CUBIC_MAP_HALF_BLOCK_SIZE);
if (locationCellX >= 0 && locationCellY >= 0 && locationCellX < cubicmap.width && locationCellY < cubicmap.height) if ((locationCellX >= 0) && (locationCellY >= 0) && (locationCellX < cubicmap.width) && (locationCellY < cubicmap.height))
{ {
// Multiple Axis -------------------------------------------------------------------------------------------- // Multiple Axis --------------------------------------------------------------------------------------------
// Axis x-, y- // Axis x-, y-
if (locationCellX > 0 && locationCellY > 0) if ((locationCellX > 0) && (locationCellY > 0))
{ {
if ((cubicmapPixels[locationCellY * cubicmap.width + (locationCellX - 1)].r != 0) && if ((cubicmapPixels[locationCellY*cubicmap.width + (locationCellX - 1)].r != 0) &&
(cubicmapPixels[(locationCellY - 1) * cubicmap.width + (locationCellX)].r != 0)) (cubicmapPixels[(locationCellY - 1)*cubicmap.width + (locationCellX)].r != 0))
{ {
if (((playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellX < radius) && if (((playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellX < radius) &&
((playerPosition->z - mapPosition.z + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellY < radius)) ((playerPosition->z - mapPosition.z + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellY < radius))
@@ -1576,10 +1579,10 @@ Vector3 ResolveCollisionCubicmap(Image cubicmap, Vector3 mapPosition, Vector3 *p
} }
// Axis x-, y+ // Axis x-, y+
if (locationCellX > 0 && locationCellY < cubicmap.height - 1) if ((locationCellX > 0) && (locationCellY < cubicmap.height - 1))
{ {
if ((cubicmapPixels[locationCellY * cubicmap.width + (locationCellX - 1)].r != 0) && if ((cubicmapPixels[locationCellY*cubicmap.width + (locationCellX - 1)].r != 0) &&
(cubicmapPixels[(locationCellY + 1) * cubicmap.width + (locationCellX)].r != 0)) (cubicmapPixels[(locationCellY + 1)*cubicmap.width + (locationCellX)].r != 0))
{ {
if (((playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellX < radius) && if (((playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellX < radius) &&
((playerPosition->z - mapPosition.z + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellY > 1 - radius)) ((playerPosition->z - mapPosition.z + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellY > 1 - radius))
@@ -1592,10 +1595,10 @@ Vector3 ResolveCollisionCubicmap(Image cubicmap, Vector3 mapPosition, Vector3 *p
} }
// Axis x+, y- // Axis x+, y-
if (locationCellX < cubicmap.width - 1 && locationCellY > 0) if ((locationCellX < cubicmap.width - 1) && (locationCellY > 0))
{ {
if ((cubicmapPixels[locationCellY * cubicmap.width + (locationCellX + 1)].r != 0) && if ((cubicmapPixels[locationCellY*cubicmap.width + (locationCellX + 1)].r != 0) &&
(cubicmapPixels[(locationCellY - 1) * cubicmap.width + (locationCellX)].r != 0)) (cubicmapPixels[(locationCellY - 1)*cubicmap.width + (locationCellX)].r != 0))
{ {
if (((playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellX > 1 - radius) && if (((playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellX > 1 - radius) &&
((playerPosition->z - mapPosition.z + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellY < radius)) ((playerPosition->z - mapPosition.z + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellY < radius))
@@ -1608,10 +1611,10 @@ Vector3 ResolveCollisionCubicmap(Image cubicmap, Vector3 mapPosition, Vector3 *p
} }
// Axis x+, y+ // Axis x+, y+
if (locationCellX < cubicmap.width - 1 && locationCellY < cubicmap.height - 1) if ((locationCellX < cubicmap.width - 1) && (locationCellY < cubicmap.height - 1))
{ {
if ((cubicmapPixels[locationCellY * cubicmap.width + (locationCellX + 1)].r != 0) && if ((cubicmapPixels[locationCellY*cubicmap.width + (locationCellX + 1)].r != 0) &&
(cubicmapPixels[(locationCellY + 1) * cubicmap.width + (locationCellX)].r != 0)) (cubicmapPixels[(locationCellY + 1)*cubicmap.width + (locationCellX)].r != 0))
{ {
if (((playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellX > 1 - radius) && if (((playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellX > 1 - radius) &&
((playerPosition->z - mapPosition.z + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellY > 1 - radius)) ((playerPosition->z - mapPosition.z + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellY > 1 - radius))
@@ -1628,7 +1631,7 @@ Vector3 ResolveCollisionCubicmap(Image cubicmap, Vector3 mapPosition, Vector3 *p
// Axis x- // Axis x-
if (locationCellX > 0) if (locationCellX > 0)
{ {
if (cubicmapPixels[locationCellY * cubicmap.width + (locationCellX - 1)].r != 0) if (cubicmapPixels[locationCellY*cubicmap.width + (locationCellX - 1)].r != 0)
{ {
if ((playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellX < radius) if ((playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellX < radius)
{ {
@@ -1640,7 +1643,7 @@ Vector3 ResolveCollisionCubicmap(Image cubicmap, Vector3 mapPosition, Vector3 *p
// Axis x+ // Axis x+
if (locationCellX < cubicmap.width - 1) if (locationCellX < cubicmap.width - 1)
{ {
if (cubicmapPixels[locationCellY * cubicmap.width + (locationCellX + 1)].r != 0) if (cubicmapPixels[locationCellY*cubicmap.width + (locationCellX + 1)].r != 0)
{ {
if ((playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellX > 1 - radius) if ((playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellX > 1 - radius)
{ {
@@ -1652,7 +1655,7 @@ Vector3 ResolveCollisionCubicmap(Image cubicmap, Vector3 mapPosition, Vector3 *p
// Axis y- // Axis y-
if (locationCellY > 0) if (locationCellY > 0)
{ {
if (cubicmapPixels[(locationCellY - 1) * cubicmap.width + (locationCellX)].r != 0) if (cubicmapPixels[(locationCellY - 1)*cubicmap.width + (locationCellX)].r != 0)
{ {
if ((playerPosition->z - mapPosition.z + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellY < radius) if ((playerPosition->z - mapPosition.z + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellY < radius)
{ {
@@ -1664,7 +1667,7 @@ Vector3 ResolveCollisionCubicmap(Image cubicmap, Vector3 mapPosition, Vector3 *p
// Axis y+ // Axis y+
if (locationCellY < cubicmap.height - 1) if (locationCellY < cubicmap.height - 1)
{ {
if (cubicmapPixels[(locationCellY + 1) * cubicmap.width + (locationCellX)].r != 0) if (cubicmapPixels[(locationCellY + 1)*cubicmap.width + (locationCellX)].r != 0)
{ {
if ((playerPosition->z - mapPosition.z + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellY > 1 - radius) if ((playerPosition->z - mapPosition.z + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellY > 1 - radius)
{ {
@@ -1677,11 +1680,11 @@ Vector3 ResolveCollisionCubicmap(Image cubicmap, Vector3 mapPosition, Vector3 *p
// Diagonals ------------------------------------------------------------------------------------------------------- // Diagonals -------------------------------------------------------------------------------------------------------
// Axis x-, y- // Axis x-, y-
if (locationCellX > 0 && locationCellY > 0) if ((locationCellX > 0) && (locationCellY > 0))
{ {
if ((cubicmapPixels[locationCellY * cubicmap.width + (locationCellX - 1)].r == 0) && if ((cubicmapPixels[locationCellY*cubicmap.width + (locationCellX - 1)].r == 0) &&
(cubicmapPixels[(locationCellY - 1) * cubicmap.width + (locationCellX)].r == 0) && (cubicmapPixels[(locationCellY - 1)*cubicmap.width + (locationCellX)].r == 0) &&
(cubicmapPixels[(locationCellY - 1) * cubicmap.width + (locationCellX - 1)].r != 0)) (cubicmapPixels[(locationCellY - 1)*cubicmap.width + (locationCellX - 1)].r != 0))
{ {
if (((playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellX < radius) && if (((playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellX < radius) &&
((playerPosition->z - mapPosition.z + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellY < radius)) ((playerPosition->z - mapPosition.z + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellY < radius))
@@ -1700,11 +1703,11 @@ Vector3 ResolveCollisionCubicmap(Image cubicmap, Vector3 mapPosition, Vector3 *p
} }
// Axis x-, y+ // Axis x-, y+
if (locationCellX > 0 && locationCellY < cubicmap.height - 1) if ((locationCellX > 0) && (locationCellY < cubicmap.height - 1))
{ {
if ((cubicmapPixels[locationCellY * cubicmap.width + (locationCellX - 1)].r == 0) && if ((cubicmapPixels[locationCellY*cubicmap.width + (locationCellX - 1)].r == 0) &&
(cubicmapPixels[(locationCellY + 1) * cubicmap.width + (locationCellX)].r == 0) && (cubicmapPixels[(locationCellY + 1)*cubicmap.width + (locationCellX)].r == 0) &&
(cubicmapPixels[(locationCellY + 1) * cubicmap.width + (locationCellX - 1)].r != 0)) (cubicmapPixels[(locationCellY + 1)*cubicmap.width + (locationCellX - 1)].r != 0))
{ {
if (((playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellX < radius) && if (((playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellX < radius) &&
((playerPosition->z - mapPosition.z + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellY > 1 - radius)) ((playerPosition->z - mapPosition.z + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellY > 1 - radius))
@@ -1723,11 +1726,11 @@ Vector3 ResolveCollisionCubicmap(Image cubicmap, Vector3 mapPosition, Vector3 *p
} }
// Axis x+, y- // Axis x+, y-
if (locationCellX < cubicmap.width - 1 && locationCellY > 0) if ((locationCellX < cubicmap.width - 1) && (locationCellY > 0))
{ {
if ((cubicmapPixels[locationCellY * cubicmap.width + (locationCellX + 1)].r == 0) && if ((cubicmapPixels[locationCellY*cubicmap.width + (locationCellX + 1)].r == 0) &&
(cubicmapPixels[(locationCellY - 1) * cubicmap.width + (locationCellX)].r == 0) && (cubicmapPixels[(locationCellY - 1)*cubicmap.width + (locationCellX)].r == 0) &&
(cubicmapPixels[(locationCellY - 1) * cubicmap.width + (locationCellX + 1)].r != 0)) (cubicmapPixels[(locationCellY - 1)*cubicmap.width + (locationCellX + 1)].r != 0))
{ {
if (((playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellX > 1 - radius) && if (((playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellX > 1 - radius) &&
((playerPosition->z - mapPosition.z + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellY < radius)) ((playerPosition->z - mapPosition.z + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellY < radius))
@@ -1746,11 +1749,11 @@ Vector3 ResolveCollisionCubicmap(Image cubicmap, Vector3 mapPosition, Vector3 *p
} }
// Axis x+, y+ // Axis x+, y+
if (locationCellX < cubicmap.width - 1 && locationCellY < cubicmap.height - 1) if ((locationCellX < cubicmap.width - 1) && (locationCellY < cubicmap.height - 1))
{ {
if ((cubicmapPixels[locationCellY * cubicmap.width + (locationCellX + 1)].r == 0) && if ((cubicmapPixels[locationCellY*cubicmap.width + (locationCellX + 1)].r == 0) &&
(cubicmapPixels[(locationCellY + 1) * cubicmap.width + (locationCellX)].r == 0) && (cubicmapPixels[(locationCellY + 1)*cubicmap.width + (locationCellX)].r == 0) &&
(cubicmapPixels[(locationCellY + 1) * cubicmap.width + (locationCellX + 1)].r != 0)) (cubicmapPixels[(locationCellY + 1)*cubicmap.width + (locationCellX + 1)].r != 0))
{ {
if (((playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellX > 1 - radius) && if (((playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellX > 1 - radius) &&
((playerPosition->z - mapPosition.z + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellY > 1 - radius)) ((playerPosition->z - mapPosition.z + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellY > 1 - radius))