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1313 | /* GATE PROJECT LICENSE:
+----------------------------------------------------------------------------+
| Copyright(c) 2018-2025, Stefan Meislinger <sm@opengate.at> |
| All rights reserved. |
| |
| Redistribution and use in source and binary forms, with or without |
| modification, are permitted provided that the following conditions are met:|
| |
| 1. Redistributions of source code must retain the above copyright notice, |
| this list of conditions and the following disclaimer. |
| 2. Redistributions in binary form must reproduce the above copyright |
| notice, this list of conditions and the following disclaimer in the |
| documentation and/or other materials provided with the distribution. |
| |
| THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"|
| AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| ARE DISCLAIMED.IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| THE POSSIBILITY OF SUCH DAMAGE. |
+----------------------------------------------------------------------------+
*/
#include "blocklevels.hpp"
#include "gate/graphics/gl_apis.hpp"
#include "gate/mathematics.hpp"
#include "gate/graphics/pixmapimages.hpp"
#include "textures/texture_block_cobblestone.xpm"
#include "textures/texture_block_grass_side.xpm"
#include "textures/texture_block_grass_top.xpm"
#include "textures/texture_block_dirt.xpm"
#include "textures/texture_block_oak_planks.xpm"
#include "textures/texture_block_oak_side.xpm"
#include "textures/texture_block_oak_top.xpm"
#include "textures/texture_block_oak_leaves.xpm"
#include "textures/texture_block_brick.xpm"
#include "textures/texture_block_stone.xpm"
#include "textures/texture_block_stonebrick.xpm"
namespace gate
{
namespace apps
{
struct Id2TextureMapping
{
BlockLevelsGame::BlockTextureType type;
char const* const* texture;
};
static Id2TextureMapping global_id_2_texture_mapping[] =
{
{ BlockLevelsGame::BlockTexture_Dirt, texture_block_dirt_xpm },
{ BlockLevelsGame::BlockTexture_Cobblestone, texture_block_cobblestone_xpm },
{ BlockLevelsGame::BlockTexture_GrassTop, texture_block_grass_top_xpm },
{ BlockLevelsGame::BlockTexture_GrassSide, texture_block_grass_side_xpm },
{ BlockLevelsGame::BlockTexture_OakPlanks, texture_block_oak_planks_xpm },
{ BlockLevelsGame::BlockTexture_OakSide, texture_block_oak_side_xpm },
{ BlockLevelsGame::BlockTexture_OakTop, texture_block_oak_top_xpm },
{ BlockLevelsGame::BlockTexture_OakLeaves, texture_block_oak_leaves_xpm },
{ BlockLevelsGame::BlockTexture_Stone, texture_block_stone_xpm },
{ BlockLevelsGame::BlockTexture_StoneBrick, texture_block_stonebrick_xpm },
{ BlockLevelsGame::BlockTexture_Brick, texture_block_brick_xpm }
};
struct CharToIdMapping
{
char character;
bool solid;
BlockLevelsGame::BlockType block;
};
static char const BlockId_Empty = ' ';
static char const BlockId_Dirt = 'D';
static char const BlockId_OakPlanks = 'P';
static char const BlockId_Oak = 'W';
static char const BlockId_OakLeaves = 'L';
static char const BlockId_Cobble = 'C';
static char const BlockId_Grass = 'G';
static char const BlockId_Brick = 'B';
static char const BlockId_Stone = 'S';
static char const BlockId_StoneBrick = 's';
static char const BlockId_Start1 = '1';
static struct CharToIdMapping char_to_block_mappings[] =
{
{ BlockId_Empty, false, BlockLevelsGame::Block_Empty },
{ BlockId_Dirt, true, BlockLevelsGame::Block_Dirt },
{ BlockId_OakPlanks, true, BlockLevelsGame::Block_OakPlanks },
{ BlockId_Oak, true, BlockLevelsGame::Block_Oak },
{ BlockId_OakLeaves, true, BlockLevelsGame::Block_OakLeaves },
{ BlockId_Cobble, true, BlockLevelsGame::Block_Cobble },
{ BlockId_Grass, true, BlockLevelsGame::Block_Grass },
{ BlockId_Brick, true, BlockLevelsGame::Block_Brick },
{ BlockId_Stone, true, BlockLevelsGame::Block_Stone },
{ BlockId_StoneBrick, true, BlockLevelsGame::Block_StoneBrick },
{ BlockId_Start1, false, BlockLevelsGame::Block_Start1 }
};
static size_t const char_to_block_mappings_count = sizeof(char_to_block_mappings) / sizeof(char_to_block_mappings[0]);
static bool isSolidBlockId(char blockId)
{
for (size_t ndx = 0; ndx != char_to_block_mappings_count; ++ndx)
{
if (char_to_block_mappings[ndx].character == blockId)
{
return char_to_block_mappings[ndx].solid;
}
}
return false;
}
static BlockLevelsGame::BlockType load_block_type(char chr)
{
for (size_t n = 0; n != char_to_block_mappings_count; ++n)
{
if (char_to_block_mappings[n].character == chr)
{
return char_to_block_mappings[n].block;
}
}
return BlockLevelsGame::Block_Empty;
}
static char const* const house0[] =
{
" ",
" CCCCC ",
" CPPPC ",
" CPPPC ",
" CPPPC ",
" CCCCC ",
" ",
NULL
};
static char const* const house1[] =
{
" ",
" sS Ss ",
" S S ",
" S S ",
" S S ",
" sSSSs ",
" ",
NULL
};
static char const* const house2[] =
{
" ",
" sS Ss ",
" S S ",
" ",
" S S ",
" sS Ss ",
" ",
NULL
};
static char const* const house3[] =
{
" ",
" sSSSs ",
" S S ",
" S S ",
" S S ",
" sSSSs ",
" ",
NULL
};
static char const* const house4[] =
{
"WWWWWWW",
"WWWWWWW",
"WW WW",
"WW WW",
"WW WW",
"WWWWWWW",
"WWWWWWW",
NULL
};
static char const* const house5[] =
{
" ",
" WWWWW ",
" WW WW ",
" WW WW ",
" WW WW ",
" WWWWW ",
" ",
NULL
};
static char const* const house6[] =
{
" ",
" ",
" WWW ",
" WWW ",
" WWW ",
" ",
" ",
NULL
};
static char const* const house7[] =
{
" ",
" ",
" ",
" W ",
" ",
" ",
" ",
NULL
};
static char const* const* const house_map[] =
{
house0,
house1,
house2,
house3,
house4,
house5,
house6,
NULL
};
static char const* const demo_ground0[] =
{
"CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC",
"CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC",
"CCDDDDDDDDDDDDDDDDDDDDDDDDDDCC",
"CCDDDDDDDDDDDDDDDDDDDDDDDDDDCC",
"CCDDDDDDDDDDDDDDDDDDDDDDDDDDCC",
"CCDDDDDDDDDDDDDDDDDDDDDDDDDDCC",
"CCDDDDDDDDDDDDDDDDDDDDDDDDDDCC",
"CCDDDDDDDDDDDDDDDDDDDDDDDDDDCC",
"CCDDDDDDDDDDDDDDDDDDDDDDDDDDCC",
"CCDDDDDDDDDDDDDDDDDDDDDDDDDDCC",
"CCDDDDDDDDDDDDDDDDDDDDDDDDDDCC",
"CCDDDDDDDDDDDDDDDDDDDDDDDDDDCC",
"CCDDDDDDDDDDDDDDDDDDDDDDDDDDCC",
"CCDDDDDDDDDDDDDDDDDDDDDDDDDDCC",
"CCDDDDDDDDDDDDDDDDDDDDDDDDDDCC",
"CCDDDDDDDDDDDDDDDDDDDDDDDDDDCC",
"CCDDDDDDDDDDDDDDDDDDDDDDDDDDCC",
"CCDDDDDDDDDDDDDDDDDDDDDDDDDDCC",
"CCDDDDDDDDDDDDDDDDDDDDDDDDDDCC",
"CCDDDDDDDDDDDDDDDDDDDDDDDDDDCC",
"CCDDDDDDDDDDDDDDDDDDDDDDDDDDCC",
"CCDDDDDDDDDDDDDDDDDDDDDDDDDDCC",
"CCDDDDDDDDDDDDDDDDDDDDDDDDDDCC",
"CCDDDDDDDDDDDDDDDDDDDDDDDDDDCC",
"CCDDDDDDDDDDDDDDDDDDDDDDDDDDCC",
"CCDDDDDDDDDDDDDDDDDDDDDDDDDDCC",
"CCDDDDDDDDDDDDDDDDDDDDDDDDDDCC",
"CCDDDDDDDDDDDDDDDDDDDDDDDDDDCC",
"CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC",
"CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC",
NULL
};
static char const* const demo_ground1[] =
{
"CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC",
"C C",
"C C",
"C WWWW DDD BBBBB PPPP C",
"C W D D B P C",
"C W WWW DDDDD B PPP C",
"C W WW D D B P C",
"C WW W D D B PPPP C",
"C C",
"C C",
"C C",
"C C",
"C C",
"C C",
"C C",
"C C",
"C C",
"C C",
"C C",
"C C",
"C C",
"C PPPPPPP P C",
"C P P P P PPPPPPPPPPPPP C",
"C P PPP P P P P C",
"C P P P PPPPPPP P PP PPPPP C",
"C PPP P P P P P P P P C",
"C P P PPP P P PPPP P C",
"C PPPPPPPPP P PPPPP P P P P C",
"C C",
"CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC",
NULL
};
static char const* const demo_ground2[] =
{
"CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC",
"C C",
"C C",
"C WWWW GGG BBBBB PPPP C",
"C W G G B P C",
"C W WWW GGGGG B PPP C",
"C W WW G G B P C",
"C WW W G G B PPPP C",
"C C",
"C C",
"C C",
"C C",
"C C",
"C 1 C",
"C C",
"C C",
"C C",
"C C",
"C C",
"C C",
"C C",
"C PPPPPPP P C",
"C P P P P PPPPPPPPPPPPP C",
"C P PPP P P P P C",
"C P P P PPPPPPP P PP PPPPP C",
"C PPP P P P P P P P P C",
"C P P PPP P P PPPP P C",
"C PPPPPPPPP P PPPPP P P P P C",
"C C",
"CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC",
NULL
};
static char const* const* demo_ground_map[] =
{
demo_ground0,
demo_ground1,
demo_ground2,
NULL
};
static char const* const tree0[] =
{
" ",
" ",
" ",
" ",
" W ",
" ",
" ",
" ",
" ",
NULL
};
static char const* const tree1[] =
{
" ",
" ",
" ",
" ",
" W ",
" ",
" ",
" ",
" ",
NULL
};
static char const* const tree2[] =
{
" ",
" ",
" ",
" LLL ",
" LLWLL ",
" LLL ",
" ",
" ",
" ",
NULL
};
static char const* const tree3[] =
{
" LLLLL ",
" LLLLLLL ",
" LLLLLLL ",
"LLLLLLLLL",
"LLLLWLLLL",
"LLLLLLLLL",
" LLLLLLL ",
" LLLLLLL ",
" LLLLL ",
NULL
};
static char const* const tree4[] =
{
" LLLLL ",
" LLLLLLL ",
" LLLLLLL ",
"LLLLLLLLL",
"LLLLWLLLL",
"LLLLLLLLL",
" LLLLLLL ",
" LLLLLLL ",
" LLLLL ",
NULL
};
static char const* const tree5[] =
{
" LLL ",
" LLLLL ",
" LLLLLLL ",
" LLLLLLL ",
"LLLLWLLLL",
" LLLLLLL ",
" LLLLLLL ",
" LLLLL ",
" LLL ",
NULL
};
static char const* const tree6[] =
{
" ",
" L ",
" LLL ",
" LLLLL ",
" LLLWLLL ",
" LLLLL ",
" LLL ",
" L ",
" ",
NULL
};
static char const* const tree7[] =
{
" ",
" ",
" LLL ",
" LLLLL ",
" LLWLL ",
" LLLLL ",
" LLL ",
" ",
" ",
NULL
};
static char const* const tree8[] =
{
" ",
" ",
" ",
" LLL ",
" LLL ",
" LLL ",
" ",
" ",
" ",
NULL
};
static char const* const* tree_map[] =
{
tree0,
tree1,
tree2,
tree3,
tree4,
tree5,
tree6,
tree7,
tree8,
NULL
};
typedef struct object_map
{
gate_index_t x;
gate_index_t y;
gate_index_t z;
char const* const* const* levels;
} object_map_t;
static object_map_t demo_ground = { 0, 0, 0, demo_ground_map };
static object_map_t houseA = { 20, 15, 1, house_map };
static object_map_t houseB = { 10, 20, 1, house_map };
static object_map_t houseC = { 0, 20, 1, house_map };
static object_map_t treeA = { 15, 5, 1, tree_map };
static object_map_t const* object_maps[] =
{
&demo_ground,
&houseA,
//&houseB,
//&houseC,
&treeA,
NULL
};
void BlockLevelsGame::loadObjectMapIntoWorld(BlockLevelsGame::World& world, index_t start_x, index_t start_y, index_t start_z, char const* const* const* objectLevels)
{
index_t z = start_z;
char const* const* ptrLevel;
while (NULL != (ptrLevel = *objectLevels))
{
index_t y = start_y;
char const* ptrLine;
while (NULL != (ptrLine = *ptrLevel))
{
index_t x = start_x;
char block;
while (0 != (block = *ptrLine))
{
if (block != ' ')
{
world.set(x, y, z, block);
}
++x;
++ptrLine;
}
++y;
++ptrLevel;
}
++z;
++objectLevels;
}
}
BlockLevelsGame::World::World(index_t x_length, index_t y_width, index_t z_height)
: length(x_length), width(y_width), height(z_height), buffer(static_cast<size_t>(x_length* y_width* z_height))
{
size_t totalLength = x_length * y_width * z_height;
this->buffer.add(' ', totalLength);
}
char* BlockLevelsGame::World::getBlockPtr(index_t x, index_t y, index_t z) const
{
if ((x < 0) || (y < 0) || (z < 0) || (x >= this->length) || (y >= this->width) || (z >= this->height))
{
return NULL;
}
else
{
size_t levelLength = static_cast<size_t>(this->width * this->length);
size_t bufferIndex = static_cast<size_t>(z * levelLength + y * this->length + x);
void* ptr = gate_arraylist_get(this->buffer.c_impl(), bufferIndex);
return static_cast<char*>(ptr);
}
}
void BlockLevelsGame::World::set(index_t x, index_t y, index_t z, char block)
{
char* ptr = this->getBlockPtr(x, y, z);
if (NULL != ptr)
{
*ptr = block;
}
}
char BlockLevelsGame::World::get(index_t x, index_t y, index_t z) const
{
char* ptr = this->getBlockPtr(x, y, z);
if (NULL == ptr)
{
return ' ';
}
else
{
return *ptr;
}
}
index_t BlockLevelsGame::World::Length() const
{
return this->length;
}
index_t BlockLevelsGame::World::Width() const
{
return this->width;
}
index_t BlockLevelsGame::World::Height() const
{
return this->height;
}
char BlockLevelsGame::World::operator()(index_t x, index_t y, index_t z) const
{
return this->get(x, y, z);
}
BlockLevelsGame::BlockLevelsGame()
: x(0.0f), y(0.0f), z(1.5), direction(0.0f),
moveVelocity(0.0f), strafeVelocity(0.0f), angularVelocity(0.0f),
loadedWorld(createWorld())
{
}
BlockLevelsGame::~BlockLevelsGame() noexcept
{
}
static void convert_cartesian_to_gl(real32_t& x, real32_t& y, real32_t& z)
{
real32_t nx = y;
real32_t ny = z;
real32_t nz = x;
x = nx;
y = ny;
z = nz;
}
void BlockLevelsGame::addCuboid(Vertex point, Vertex dimension, Color borderColor, Color fillColor)
{
this->cuboids.add(Cuboid(point, dimension, borderColor, fillColor));
}
void BlockLevelsGame::addCuboid(Vertex point, Vertex dimension, void* const* texture_ids, size_t texture_count)
{
this->cuboids.add(Cuboid(point, dimension, texture_ids, texture_count));
}
static void load_quad_vertexes(real32_t* v,
BlockLevelsGame::Vertex const& p1, BlockLevelsGame::Vertex const& p2,
BlockLevelsGame::Vertex const& p3, BlockLevelsGame::Vertex const& p4)
{
v[0] = p1.x; v[1] = p1.y; v[2] = p1.z;
v[3] = p2.x; v[4] = p2.y; v[5] = p2.z;
v[6] = p3.x; v[7] = p3.y; v[8] = p3.z;
v[9] = p4.x; v[10] = p4.y; v[11] = p4.z;
convert_cartesian_to_gl(v[0], v[1], v[2]);
convert_cartesian_to_gl(v[3], v[4], v[5]);
convert_cartesian_to_gl(v[6], v[7], v[8]);
convert_cartesian_to_gl(v[9], v[10], v[11]);
}
void BlockLevelsGame::renderQuadArea(GlApi& gl, Vertex const& p1, Vertex const& p2, Vertex const& p3, Vertex const& p4, Color const& col)
{
gate_real32_t v[12];
load_quad_vertexes(v, p1, p2, p3, p4);
gl.setVertexPointer(3, v); // 3 coords form one vertex
gl.setColorByte(col->r, col->g, col->b, col->a);
gl.drawArrays(OpenGL::DrawMode_TriangleFan, 0, 4); // draw 4 vertices
}
void BlockLevelsGame::renderQuadBorders(GlApi& gl, Vertex const& p1, Vertex const& p2, Vertex const& p3, Vertex const& p4, Color const& col)
{
gate_real32_t v[12];
load_quad_vertexes(v, p1, p2, p3, p4);
gl.setVertexPointer(3, v); // 3 coords form one vertex
gl.setColorByte(col->r, col->g, col->b, col->a);
gl.drawArrays(OpenGL::DrawMode_LineStrip, 0, 4); // draw 4 vertices
}
void BlockLevelsGame::renderQuadTexture(GlApi& gl, Vertex const& p1, Vertex const& p2, Vertex const& p3, Vertex const& p4, void* texture)
{
gate_real32_t v[12];
gate_real32_t t[8] = {
0.0f, 0.0f,
1.0f, 0.0f,
1.0f, 1.0f,
0.0f, 1.0f
};
load_quad_vertexes(v, p1, p2, p3, p4);
gl.enableClientState(OpenGL::ClientState_VertexArray);
gl.enableClientState(OpenGL::ClientState_TextureCoordArray);
gl.enableCapability(OpenGL::Capability_Texture2D);
gl.setVertexPointer(3, v); // 3 coords form one vertex
gl.bindTexture(texture);
gl.setTexCoordPointer(2, t);
gl.drawArrays(OpenGL::DrawMode_TriangleFan, 0, 4); // draw 4 vertices
gl.disableCapability(OpenGL::Capability_Texture2D);
gl.disableClientState(OpenGL::ClientState_TextureCoordArray);
gl.disableClientState(OpenGL::ClientState_VertexArray);
}
static uint8_t const bit_front = 0x01;
static uint8_t const bit_right = 0x02;
static uint8_t const bit_back = 0x04;
static uint8_t const bit_left = 0x08;
static uint8_t const bit_bottom = 0x10;
static uint8_t const bit_top = 0x20;
void BlockLevelsGame::renderCuboid(GlApi& gl, Cuboid const& cuboid)
{
//static real32_t patch = 0.001f;
Vertex ground[4];
ground[0] = ground[1] = ground[2] = ground[3] = cuboid.point;
ground[1].x += cuboid.dim.x;
ground[2].x += cuboid.dim.x;
ground[2].y += cuboid.dim.y;
ground[3].y += cuboid.dim.y;
Vertex top[4];
top[0] = ground[0];
top[1] = ground[1];
top[2] = ground[2];
top[3] = ground[3];
top[0].z += cuboid.dim.z;
top[1].z += cuboid.dim.z;
top[2].z += cuboid.dim.z;
top[3].z += cuboid.dim.z;
Vertex s1[4];
s1[0] = top[0];
s1[1] = top[1];
s1[2] = ground[1];
s1[3] = ground[0];
Vertex s2[4];
s2[0] = top[1];
s2[1] = top[2];
s2[2] = ground[2];
s2[3] = ground[1];
Vertex s3[4];
s3[0] = top[2];
s3[1] = top[3];
s3[2] = ground[3];
s3[3] = ground[2];
Vertex s4[4];
s4[0] = top[3];
s4[1] = top[0];
s4[2] = ground[0];
s4[3] = ground[3];
if ((cuboid.fill->a == 0) && (cuboid.border->a == 0))
{
if (cuboid.side_bits & bit_bottom) BlockLevelsGame::renderQuadTexture(gl, ground[0], ground[1], ground[2], ground[3], cuboid.textures[5]);
if (cuboid.side_bits & bit_front) BlockLevelsGame::renderQuadTexture(gl, s1[0], s1[1], s1[2], s1[3], cuboid.textures[0]);
if (cuboid.side_bits & bit_right) BlockLevelsGame::renderQuadTexture(gl, s2[0], s2[1], s2[2], s2[3], cuboid.textures[1]);
if (cuboid.side_bits & bit_back) BlockLevelsGame::renderQuadTexture(gl, s3[0], s3[1], s3[2], s3[3], cuboid.textures[2]);
if (cuboid.side_bits & bit_left) BlockLevelsGame::renderQuadTexture(gl, s4[0], s4[1], s4[2], s4[3], cuboid.textures[3]);
//BlockLevelsGame::renderQuadTexture(gl, top[0], top[1], top[2], top[3], cuboid.textures[4]);
if (cuboid.side_bits & bit_top) BlockLevelsGame::renderQuadTexture(gl, top[3], top[2], top[1], top[0], cuboid.textures[4]);
}
if (cuboid.fill->a != 0)
{
if (cuboid.side_bits & 0x10) BlockLevelsGame::renderQuadArea(gl, ground[0], ground[1], ground[2], ground[3], cuboid.fill);
if (cuboid.side_bits & 0x01) BlockLevelsGame::renderQuadArea(gl, s1[0], s1[1], s1[2], s1[3], cuboid.fill);
if (cuboid.side_bits & 0x02) BlockLevelsGame::renderQuadArea(gl, s2[0], s2[1], s2[2], s2[3], cuboid.fill);
if (cuboid.side_bits & 0x04) BlockLevelsGame::renderQuadArea(gl, s3[0], s3[1], s3[2], s3[3], cuboid.fill);
if (cuboid.side_bits & 0x08) BlockLevelsGame::renderQuadArea(gl, s4[0], s4[1], s4[2], s4[3], cuboid.fill);
if (cuboid.side_bits & 0x20) BlockLevelsGame::renderQuadArea(gl, top[0], top[1], top[2], top[3], cuboid.fill);
}
if (cuboid.border->a != 0)
{
//BlockLevelsGame::renderQuadBorders(gl, ground[0], ground[1], ground[2], ground[3], cuboid.border);
BlockLevelsGame::renderQuadBorders(gl, s1[0], s1[1], s1[2], s1[3], cuboid.border);
BlockLevelsGame::renderQuadBorders(gl, s2[0], s2[1], s2[2], s2[3], cuboid.border);
BlockLevelsGame::renderQuadBorders(gl, s3[0], s3[1], s3[2], s3[3], cuboid.border);
BlockLevelsGame::renderQuadBorders(gl, s4[0], s4[1], s4[2], s4[3], cuboid.border);
//BlockLevelsGame::renderQuadBorders(gl, top[0], top[1], top[2], top[3], cuboid.border);
}
}
void BlockLevelsGame::addBlock(BlockType type, Vertex const& point, uint8_t side_bits)
{
this->blocks.add(Block(type, point, side_bits));
}
void BlockLevelsGame::renderBlock(GlApi& gl, Vertex const& point, BlockTextureType const* textypes, size_t texcount, uint8_t side_bits)
{
static Vertex dim(1.0f, 1.0f, 1.0f);
void* texIds[6] = { 0 };
for (size_t ndx = 0; ndx != texcount; ++ndx)
{
TextureMap::iterator iter = this->textures.get(intptr_t(textypes[ndx]));
if (iter != this->textures.end())
{
texIds[ndx] = iter.value();
}
}
Cuboid c(point, dim, texIds, texcount);
c.side_bits = side_bits;
renderCuboid(gl, c);
}
char BlockLevelsGame::getBlockId(real32_t x, real32_t y, real32_t z)
{
char ret = BlockId_Empty;
index_t nx, ny, nz;
nx = static_cast<index_t>(x);
ny = static_cast<index_t>(y);
nz = static_cast<index_t>(z);
ret = this->loadedWorld(nx, this->loadedWorld.Width() - 1 - ny, nz);
return ret;
}
bool BlockLevelsGame::isSolidBlock(char blockId)
{
return isSolidBlockId(blockId);
}
bool BlockLevelsGame::isSolidBlock(real32_t x, real32_t y, real32_t z)
{
char blockId = this->getBlockId(x, y, z);
return this->isSolidBlock(blockId);
}
void BlockLevelsGame::renderBlock(GlApi& gl, BlockType type, Vertex point, uint8_t side_bits)
{
switch (type)
{
case Block_Dirt:
{
static BlockTextureType blockTextures[] = { BlockTexture_Dirt };
this->renderBlock(gl, point, blockTextures, 1, side_bits);
break;
}
case Block_OakPlanks:
{
static BlockTextureType blockTextures[] = { BlockTexture_OakPlanks };
this->renderBlock(gl, point, blockTextures, 1, side_bits);
break;
}
case Block_Oak:
{
static BlockTextureType blockTextures[] = { BlockTexture_OakSide, BlockTexture_OakTop };
this->renderBlock(gl, point, blockTextures, 2, side_bits);
break;
}
case Block_OakLeaves:
{
static BlockTextureType blockTextures[] = { BlockTexture_OakLeaves };
this->renderBlock(gl, point, blockTextures, 1, side_bits);
break;
}
case Block_Cobble:
{
static BlockTextureType blockTextures[] = { BlockTexture_Cobblestone };
this->renderBlock(gl, point, blockTextures, 1, side_bits);
break;
}
case Block_Grass:
{
static BlockTextureType blockTextures[] = { BlockTexture_GrassSide, BlockTexture_GrassTop, BlockTexture_Dirt };
this->renderBlock(gl, point, blockTextures, 3, side_bits);
break;
}
case Block_Brick:
{
static BlockTextureType blockTextures[] = { BlockTexture_Brick };
this->renderBlock(gl, point, blockTextures, 1, side_bits);
break;
}
case Block_Stone:
{
static BlockTextureType blockTextures[] = { BlockTexture_Stone };
this->renderBlock(gl, point, blockTextures, 1, side_bits);
break;
}
case Block_StoneBrick:
{
static BlockTextureType blockTextures[] = { BlockTexture_StoneBrick };
this->renderBlock(gl, point, blockTextures, 1, side_bits);
break;
}
case Block_Start1:
{
// nothing to do
break;
}
case Block_Empty:
{
// nothing to do
break;
}
}
}
static void* loadTexture(GlApi& gl, char const* const* pixmap)
{
RasterImage image;
PixmapImages::parse(image, pixmap);
gate_color_t const* pixels = (gate_color_t const*)image.getPixelPtr(0, 0);
return gl.createTexture(GlApi::PixelFormat_Rgba, image.getWidth(), image.getHeight(), pixels);
}
BlockLevelsGame::World BlockLevelsGame::createWorld(size_t x_length, size_t y_width, size_t z_height)
{
return World(x_length, y_width, z_height);
}
void BlockLevelsGame::loadModule(GlSurface& surface)
{
GlApi& gl = surface.getGlApi();
size_t texCount = sizeof(global_id_2_texture_mapping) / sizeof(global_id_2_texture_mapping[0]);
for (size_t ndx = 0; ndx != texCount; ++ndx)
{
intptr_t id = intptr_t(global_id_2_texture_mapping[ndx].type);
void* texId = loadTexture(gl, global_id_2_texture_mapping[ndx].texture);
this->textures.add(id, texId);
}
World world = createWorld(64, 64, 64);
object_map_t const* const* ptrMaps = object_maps;
while (*ptrMaps)
{
object_map_t const& omap = **ptrMaps;
loadObjectMapIntoWorld(world, omap.x, omap.y, omap.z, omap.levels);
++ptrMaps;
}
Vertex v;
const index_t max_z = world.Height();
const index_t max_y = world.Width();
const index_t max_x = world.Length();
for (index_t z = 0; z != max_z; ++z)
{
v.z = real32_t(z);
for (index_t y = 0; y != max_y; ++y)
{
v.y = real32_t(max_y - y - 1);
//v.y = real32_t(y);
for (index_t x = 0; x < max_x; ++x)
{
v.x = real32_t(x);
char block = world.get(x, y, z);
char block_left = world.get(x - 1, y, z);
char block_right = world.get(x + 1, y, z);
char block_back = world.get(x, y - 1, z);
char block_front = world.get(x, y + 1, z);
char block_bottom = world.get(x, y, z - 1);
char block_top = world.get(x, y, z + 1);
BlockType bt = load_block_type(block);
switch (bt)
{
case BlockLevelsGame::Block_Start1:
{
this->x = v.x + 0.5f;
this->y = v.y + 0.5f;
this->z = v.z + 0.5f;
break;
}
default:
{
uint8_t side_bits = 0;
if (block_left == ' ') side_bits |= bit_left;
if (block_right == ' ') side_bits |= bit_right;
if (block_front == ' ') side_bits |= bit_front;
if (block_back == ' ') side_bits |= bit_back;
if (block_top == ' ') side_bits |= bit_top;
if (block_bottom == ' ') side_bits |= bit_bottom;
this->addBlock(bt, v, side_bits);
break;
}
}
}
}
}
this->loadedWorld = world;
}
void BlockLevelsGame::unloadModule(GlSurface& surface)
{
GlApi& gl = surface.getGlApi();
this->cuboids.clear();
for (TextureMap::iterator iter(this->textures.begin()), end(this->textures.end()); iter != end; ++iter)
{
gl.deleteTexture(iter.value());
}
this->textures.clear();
}
void BlockLevelsGame::checkFloor()
{
if (this->isSolidBlock(this->x, this->y, this->z - 1))
{
//block below camera is solid, so we should try to step onto it
if (!this->isSolidBlock(this->x, this->y, this->z + 1) && !this->isSolidBlock(this->x, this->y, this->z))
{
// block above camera and of camera itself are non-solid, so we can step up.
this->z += 1.0f;
}
}
else
{
if (!this->isSolidBlock(this->x, this->y, this->z - 2))
{
// no floor below us, step down;
this->z -= 1.0f;
}
}
}
void BlockLevelsGame::move(real32_t addX, real32_t addY)
{
if (!this->isSolidBlock(this->x + addX, this->y + addY, this->z))
{
if (this->isSolidBlock(this->x + addX, this->y + addY, this->z - 1.0f))
{
if (this->isSolidBlock(this->x + addX, this->y + addY, this->z + 1.0f) || this->isSolidBlock(this->x, this->y, this->z + 1.0f))
{
// cannot move into 1-block hole
return;
}
}
if (!this->isSolidBlock(this->x + addX + math::signum(addX) * 0.5f,
this->y + addY,
this->z))
{
this->x += addX;
}
if (!this->isSolidBlock(this->x + addX,
this->y + addY + math::signum(addY) * 0.5f,
this->z))
{
this->y += addY;
}
}
}
void BlockLevelsGame::render(GlSurface& surface)
{
TimeCounter now = TimeCounter::now();
time::Microseconds timeDiff = now - this->timer;
real32_t dir_x, dir_y;
real32_t add_x, add_y;
if (timeDiff.value() > 0)
{
real32_t timeSec = real32_t(timeDiff.value()) / 1000000.0f;
if (!math::isZero(this->angularVelocity))
{
this->direction += this->angularVelocity * timeSec;
}
this->checkFloor();
dir_x = math::cos(this->direction);
dir_y = math::sin(this->direction);
if (!math::isZero(this->moveVelocity))
{
real32_t length = this->moveVelocity * timeSec;
if (length > 1.0f) length = 1.0f;
add_x = length * dir_x;
add_y = length * dir_y;
this->move(add_x, add_y);
}
if (!math::isZero(this->strafeVelocity))
{
real32_t length = this->strafeVelocity * timeSec;
add_x = length * real32_t(math::cos(this->direction + math::PI * 0.5f));
add_y = length * real32_t(math::sin(this->direction + math::PI * 0.5f));
this->move(add_x, add_y);
}
}
else
{
dir_x = math::cos(this->direction);
dir_y = math::sin(this->direction);
}
timer = now;
uint32_t width = 0, height = 0;
surface.getSize(width, height);
OpenGL& gl = surface.getGlApi();
{ // reset renderer
gl.setViewport(0, 0, width, height);
gl.setShadeModel(OpenGL::ShadeModel_Flat);
gl.setClearColor(0.8f, 0.8f, 1.0f, 1.0f);
gl.setClearDepth(1.0f);
gl.clear(OpenGL::ClearBit_ColorBuffer | OpenGL::ClearBit_DepthBuffer | OpenGL::ClearBit_StencilBuffer);
gl.enableCapability(OpenGL::Capability_CullFace);
gl.setCullFace(OpenGL::CullFace_Front);
gl.enableCapability(OpenGL::Capability_DepthTest);
gl.setDepthFunc(OpenGL::Depth_Less);
gl.setDepthMask(true);
//gl.setHint(OpenGL::Hint_PerspectiveCorrection, OpenGL::HintMode_Fastest);
}
{ // setup projection
real32_t perspectiveAngle = 45.0f;
real32_t perspectiveNear = 0.25f;
real32_t perspectiveFar = 60.0f;
real32_t aspectRatio = real32_t(width) / real32_t(height);
gl.setMatrixMode(OpenGL::MatrixMode_Projection);
gl.loadIdentity();
gl.setPerspective(perspectiveAngle, aspectRatio, perspectiveNear, perspectiveFar);
}
{ // setup world
gl.setMatrixMode(OpenGL::MatrixMode_ModelView);
gl.loadIdentity();
real32_t eyeX, eyeY, eyeZ;
eyeX = this->x - dir_x * 0.25f;
eyeY = this->y - dir_y * 0.25f;
eyeZ = this->z;
real32_t lookX, lookY, lookZ;
lookX = this->x + dir_x;
lookY = this->y + dir_y;
lookZ = this->z - 0.25f;
real32_t upX, upY, upZ;
upX = upY = 0.0f;
upZ = 1.0f;
convert_cartesian_to_gl(eyeX, eyeY, eyeZ);
convert_cartesian_to_gl(lookX, lookY, lookZ);
convert_cartesian_to_gl(upX, upY, upZ);
gl.lookAt(eyeX, eyeY, eyeZ,
lookX, lookY, lookZ,
upX, upY, upZ);
}
{ // draw objects
bool_t translucent = false;<--- Assignment 'translucent=false', assigned value is 0<--- Assignment 'translucent=false', assigned value is 0
if (translucent)<--- Condition 'translucent' is always false
{
gl.enableCapability(OpenGL::Capability_Blend);
gl.setBlendFunc(OpenGL::Blend_SrcAlpha, OpenGL::Blend_OneMinusSrcAlpha);
}
for (CuboidList::iterator cube(this->cuboids.begin()), cubeEnd(this->cuboids.end()); cube != cubeEnd; ++cube)
{
renderCuboid(gl, *cube);
}
for (BlockList::iterator block(this->blocks.begin()), blockEnd(this->blocks.end()); block != blockEnd; ++block)
{
renderBlock(gl, block->type, block->point, block->side_bits);
}
//gl.disableClientState(OpenGL::ClientState_VertexArray);
if (translucent)<--- Condition 'translucent' is always false
{
gl.disableCapability(OpenGL::Capability_Blend);
}
}
{ // finish GL drawing and swap buffers
gl.flush();
surface.swapBuffers();
}
}
static real32_t const defaultMoveVelocity = 8.0f;
static real32_t const defaultAngularVelocity = 1.5f;
void BlockLevelsGame::processKeyDown(Keyboard::KeyEnum key, uint32_t state)
{
switch (key)
{
case Keyboard::Key_W:
case Keyboard::Key_Up:
{
this->moveVelocity = defaultMoveVelocity;
break;
}
case Keyboard::Key_A:
case Keyboard::Key_Left:
{
if (state & Keyboard::KeyState_Shift)
{
this->strafeVelocity = defaultMoveVelocity;
}
else
{
this->angularVelocity = defaultAngularVelocity;
}
break;
}
case Keyboard::Key_S:
case Keyboard::Key_Down:
{
this->moveVelocity = -defaultMoveVelocity;
break;
}
case Keyboard::Key_D:
case Keyboard::Key_Right:
{
if (state & Keyboard::KeyState_Shift)
{
this->strafeVelocity = -defaultMoveVelocity;
}
else
{
this->angularVelocity = -defaultAngularVelocity;
}
break;
}
case Keyboard::Key_PgUp:
{
this->z += 1.0f;
break;
}
case Keyboard::Key_PgDown:
{
this->z -= 1.0f;
break;
}
default:
{
break;
}
}
}
void BlockLevelsGame::processKeyUp(Keyboard::KeyEnum key, uint32_t state)
{
switch (key)
{
case Keyboard::Key_W:
case Keyboard::Key_Up:
{
this->moveVelocity = 0.0f;
break;
}
case Keyboard::Key_A:
case Keyboard::Key_Left:
{
this->strafeVelocity = 0.0f;
this->angularVelocity = 0.0f;
break;
}
case Keyboard::Key_S:
case Keyboard::Key_Down:
{
this->moveVelocity = 0.0f;
break;
}
case Keyboard::Key_D:
case Keyboard::Key_Right:
{
this->strafeVelocity = 0.0f;
this->angularVelocity = 0.0f;
break;
}
default:
{
break;
}
}
}
void BlockLevelsGame::processPointerDown(real32_t x, real32_t y, real32_t xMax, real32_t yMax)
{
real32_t xCenter = xMax * 0.5f;
real32_t yCenter = yMax * 0.5f;
real32_t move = (y - yCenter) * -1.0f / yCenter;
real32_t direction = (x - xCenter) * -math::signum(move) / xCenter;
this->moveVelocity = move * defaultMoveVelocity;
this->angularVelocity = direction * defaultAngularVelocity;
}
void BlockLevelsGame::processPointerMove(real32_t x, real32_t y, real32_t xMax, real32_t yMax)
{
real32_t xCenter = xMax * 0.5f;
real32_t yCenter = yMax * 0.5f;
real32_t move = (y - yCenter) * -1.0f / yCenter;
real32_t direction = (x - xCenter) * -math::signum(move) / xCenter;
this->moveVelocity = move * defaultMoveVelocity;
this->angularVelocity = direction * defaultAngularVelocity;
}
void BlockLevelsGame::processPointerUp(real32_t x, real32_t y, real32_t xMax, real32_t yMax)
{
this->moveVelocity = 0.0f;
this->strafeVelocity = 0.0f;
this->angularVelocity = 0.0f;
}
} // end of namespace apps
} // end of namespace gate
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