+++ /dev/null
--// Copyright (C) 2021 Harry Godden (hgn) - All Rights Reserved
--
--//#define VG_STEAM
--#include "vg/vg.h"
-
-SHADER_DEFINE( shader_tile_colour,
-
- // VERTEX
- "layout (location=0) in vec2 a_co;"
- "uniform mat3 uPv;"
- "uniform vec2 uOffset;"
- ""
- "void main()"
- "{"
- "gl_Position = vec4( uPv * vec3( a_co + uOffset, 1.0 ), 1.0 );"
- "}",
-
- // FRAGMENT
- "out vec4 FragColor;"
- "uniform vec4 uColour;"
- ""
- "void main()"
- "{"
- "FragColor = uColour;"
- "}"
- ,
- UNIFORMS({ "uPv", "uOffset", "uColour" })
-)
--
--m3x3f m_projection;
--m3x3f m_view;
--m3x3f m_mdl;
--
- int main( int argc, char *argv[] ) { vg_init( argc, argv, "FishLadder" ); }
-#define FLAG_INPUT 0x1
-#define FLAG_OUTPUT 0x2
-#define FLAG_CANAL 0x4
-#define FLAG_WALL 0x8
--
- void vg_register(void){}
- void vg_start(void){}
- void vg_update(void){}
-struct world
-{
- struct cell
- {
- u32 state;
- }
- *data;
-
- struct cell_terminal
- {
- char *conditions;
- int id;
- }
- *io;
-
- u32 w, h;
-
- GLuint tile_vao;
- GLuint tile_vbo;
-
- int selected;
-} world = {};
--
- void vg_render(void)
-static void map_free(void)
-{
- for( int i = 0; i < arrlen( world.io ); i ++ )
- arrfree( world.io[ i ].conditions );
-
- arrfree( world.data );
- arrfree( world.io );
-
- world.w = 0;
- world.h = 0;
- world.data = NULL;
- world.io = NULL;
-}
-
-static int map_load( const char *str )
-{
- map_free();
-
- char const *c = str;
-
- // Scan for width
- for(;; world.w ++)
- {
- if( str[world.w] == ';' )
- break;
- else if( !str[world.w] )
- {
- vg_error( "Unexpected EOF when parsing level\n" );
- return 0;
- }
- }
-
- struct cell *row = arraddnptr( world.data, world.w );
- int cx = 0;
- int reg_start = 0, reg_end = 0;
-
- for(;;)
- {
- if( !*c )
- break;
-
- if( *c == ';' )
- {
- c ++;
-
- // Parse attribs
- if( *c != '\n' )
- {
- while( *c )
- {
- if( reg_start < reg_end )
- {
- if( *c >= 'a' && *c <= 'z' )
- {
- arrpush( world.io[ reg_start ].conditions, *c );
- }
- else
- {
- if( *c == ',' || *c == '\n' )
- {
- reg_start ++;
-
- if( *c == '\n' )
- break;
- }
- else
- {
- vg_error( "Unkown attribute '%c' (row: %u)\n", *c, world.h );
- return 0;
- }
- }
- }
- else
- {
- vg_error( "Too many values to assign (row: %u)\n", world.h );
- return 0;
- }
-
- c ++;
- }
- }
-
- if( reg_start != reg_end )
- {
- vg_error( "Not enough values assigned (row: %u, %u of %u)\n", world.h, reg_start, reg_end );
- return 0;
- }
-
- if( cx != world.w )
- {
- vg_error( "Not enough cells to match previous row definition (row: %u, %u<%u)\n", world.h, cx, world.w );
- return 0;
- }
-
- row = arraddnptr( world.data, world.w );
- cx = 0;
- world.h ++;
- reg_end = reg_start = arrlen( world.io );
- }
- else
- {
- if( cx == world.w )
- {
- vg_error( "Too many cells to match previous row definition (row: %u, %u>%u)\n", world.h, cx, world.w );
- return 0;
- }
-
- // Tile initialization
- // row[ cx ] .. etc
-
- if( *c == '+' || *c == '-' )
- {
- struct cell_terminal term = { .id = cx + world.h*world.w };
- arrpush( world.io, term );
- row[ cx ++ ].state = *c == '+'? FLAG_INPUT: FLAG_OUTPUT;
- reg_end ++;
- }
- else if( *c == '#' )
- {
- row[ cx ++ ].state = FLAG_WALL;
- }
- else
- {
- row[ cx ++ ].state = 0x00;
- }
- }
-
- c ++;
- }
-
- vg_success( "Map loaded! (%u:%u)\n", world.w, world.h );
- return 1;
-}
-
-int main( int argc, char *argv[] )
-{
- vg_init( argc, argv, "FishLadder" );
-}
-
-void vg_register(void)
-{
- SHADER_INIT( shader_tile_colour );
-}
-
-void vg_start(void)
-{
- glGenVertexArrays( 1, &world.tile_vao );
- glGenBuffers( 1, &world.tile_vbo );
-
- float quad_mesh[] =
- {
- 0.05f, 0.05f, 0.05f, 0.95f, 0.95f, 0.95f,
- 0.05f, 0.05f, 0.95f, 0.95f, 0.95f, 0.05f
- };
-
- glBindVertexArray( world.tile_vao );
- glBindBuffer( GL_ARRAY_BUFFER, world.tile_vbo );
- glBufferData
- (
- GL_ARRAY_BUFFER,
- sizeof( quad_mesh ),
- quad_mesh,
- GL_STATIC_DRAW
- );
-
- glVertexAttribPointer( 0, 2, GL_FLOAT, GL_FALSE, 2 * sizeof(float), (void*)0 );
- glEnableVertexAttribArray( 0 );
-
- VG_CHECK_GL();
-
- map_load
- (
- "#############;\n"
- "###-#####-###;aaa,aa\n"
- "## ##;\n"
- "## ##;\n"
- "## ##;\n"
- "## ##;\n"
- "## ##;\n"
- "## ##;\n"
- "###+#####+###;aa,aaa\n"
- "#############;\n"
- );
-}
-
-void vg_free(void)
-{
- glDeleteVertexArrays( 1, &world.tile_vao );
- glDeleteBuffers( 1, &world.tile_vbo );
-
- map_free();
-}
-
-void vg_update(void)
-{
- float ratio = (float)vg_window_y / (float)vg_window_x;
- float const size = 9.5f;
-
- v3f origin;
- origin[0] = -0.5f * world.w;
- origin[1] = -0.5f * world.h;
- origin[2] = 0.0f;
-
- m3x3_projection( m_projection, -size, size, size*ratio, -size*ratio );
- m3x3_identity( m_view );
- m3x3_translate( m_view, origin );
- m3x3_mul( m_projection, m_view, vg_pv );
- vg_projection_update();
-
- v2f tile_pos;
- v2_copy( vg_mouse_ws, tile_pos );
-
- int tile_x = floorf( tile_pos[0] );
- int tile_y = floorf( tile_pos[1] );
-
- if( tile_x >= 0 && tile_x < world.w && tile_y >= 0 && tile_y <= world.h )
- world.selected = tile_y * world.h + tile_x;
- else
- world.selected = -1;
-}
-
-void vg_render(void)
--{
-- glViewport( 0,0, vg_window_x, vg_window_y );
--
-- glDisable( GL_DEPTH_TEST );
- glClearColor( 0.0f, 0.0f, 0.0f, 1.0f );
- glClearColor( 0.01f, 0.01f, 0.01f, 1.0f );
-- glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
--
- // Rest of drawing code...
- glBindVertexArray( world.tile_vao );
- SHADER_USE( shader_tile_colour );
- glUniformMatrix3fv( SHADER_UNIFORM( shader_tile_colour, "uPv" ), 1, GL_FALSE, (float *)vg_pv );
-
- for( int y = 0; y < world.h; y ++ )
- {
- for( int x = 0; x < world.w; x ++ )
- {
- glUniform2f( SHADER_UNIFORM( shader_tile_colour, "uOffset" ), (float)x, (float)y );
-
- v4f colour;
-
- struct cell *cell = &world.data[y*world.h+x];
-
- if( cell->state & FLAG_WALL ) { v4_copy( (v4f){ 0.4f, 0.4f, 0.4f, 1.0f }, colour ); }
- else if( cell->state & FLAG_CANAL ) { v4_copy( (v4f){ 0.6f, 0.6f, 0.6f, 1.0f }, colour ); }
- else if( cell->state & FLAG_INPUT ) { v4_copy( (v4f){ 0.2f, 0.3f, 0.7f, 1.0f }, colour ); }
- else if( cell->state & FLAG_OUTPUT ) { v4_copy( (v4f){ 0.2f, 0.7f, 0.3f, 1.0f }, colour ); }
- else v4_copy( (v4f){ 1.0f, 0.0f, 0.0f, 1.0f }, colour );
-
- if( world.selected == y*world.h + x )
- v3_muls( colour, sinf( vg_time )*0.25f + 0.5f, colour );
-
- glUniform4fv( SHADER_UNIFORM( shader_tile_colour, "uColour" ), 1, colour );
-
- glDrawArrays( GL_TRIANGLES, 0, 6 );
- }
- }
--}
--
--void vg_ui(void){}
- void vg_free(void){}
projects / fishladder.git / commitdiff