#if 0
VBufferV<Uni_Light_Simple> uni_light_simple;
uni_light_simple.init( vh.qs, vk::BufferUsageFlagBits::eUniformBuffer );
Uni_Light_Simple uni_light_simple->color = color_white * opt_light_intensity;
uni_light_simple->position = transform.eye_from_global * light_location;
uni_light_simple.to_dev();
pipe_plain.ds_uniform_use( "BIND_LIGHT_SIMPLE", uni_light_simple );
layout ( binding = BIND_LIGHT_SIMPLE ) uniform Uni_Light { vec4 p, c; };
uni_light_simple.destroy();
VBufferVV<pMatrix> sto_matrices;
sto_matrices.init( vh.qs, vk::BufferUsageFlagBits::eStorageBuffer );
sto_matrices.clear(); sto_matrices << first_matrix; sto_matrices << second_matrix; printf("First %f, of %zu\n", sto_matrices[0].rc(0,1), sto_matrices.size());
printf("Second %f\n", sto_matrices[1]);
sto_matrices.reserve(100);
printf("Hmm %f, of %zu\n", sto_matrices[2], sto_matrices.size());
sto_matrices.reserve(1000);
sto_matrices.resize(100);
sto_matrices.push_back( i_dont_like_the_chevron );
sto_matrices.append( another_vector_of_matrices );
pMatrix need_to_check = sto_matrices[2];
for ( mat4& m: sto_matrices ) { prod = prod * m; }
sto_matrices.to_dev();
pipe_plain.ds_storage_follow( "BIND_MATRIXES", sto_matrices );
layout ( binding = BIND_MATRIXES ) buffer Sto_Array { mat4 ms[]; };
sto_matrices.destroy();
#endif
#define MAIN_INCLUDE
#include <vhelper.h>
#include <gp/coord.h>
#include <gp/pstring.h>
#include <gp/misc.h>
#include <gp/colors.h>
#include <vutil-texture.h>
#include <vutil-pipeline.h>
#include "shapes.h"
struct Uni_Light_Simple {
vec4 position;
vec4 color;
};
class World {
public:
World(pVulkan_Helper &vh)
:vh(vh),ff_state(vh.qs),frame_timer(vh.frame_timer),shapes(ff_state),
transform(vh.qs){}
void setup_and_run();
void render(vk::CommandBuffer& cb);
void keyboard_handle();
pVulkan_Helper& vh;
VFixed_Function_State_Manager ff_state;
pFrame_Timer& frame_timer;
Shapes shapes;
pVariable_Control variable_control;
pCoor light_location;
float opt_light_intensity;
enum { MI_Eye, MI_Light, MI_Ball, MI_Ball_V, MI_COUNT } opt_move_item;
pCoor eye_location;
pVect eye_direction;
VTransform transform;
VBufferV<Uni_Light_Simple> uni_light_simple;
VPipeline pipe_plain;
VVertex_Buffer_Set bset_plain;
};
void
World::setup_and_run()
{
vh.init();
vh.display_cb_set([&](){});
vh.cbs_cmd_record.push_back( [&](vk::CommandBuffer& cb){ render(cb); });
eye_location = pCoor(1,0.5,3);
eye_location = pCoor(1,.5,10.2);
eye_direction = pVect(0,0,-1);
opt_light_intensity = 4.3;
light_location = pCoor(6.2,0.0,3.7);
variable_control.insert(opt_light_intensity,"Light Intensity");
opt_move_item = MI_Eye;
uni_light_simple.init(vh.qs,vk::BufferUsageFlagBits::eUniformBuffer);
vh.message_loop_spin();
uni_light_simple.destroy();
pipe_plain.destroy();
bset_plain.destroy();
shapes.destroy();
transform.destroy();
vh.finish();
}
void
World::render(vk::CommandBuffer& cb)
{
keyboard_handle();
vh.fbprintf("%s\n",frame_timer.frame_rate_text_get());
vh.fbprintf
("Eye location: [%5.1f, %5.1f, %5.1f] "
"Eye direction: [%+.2f, %+.2f, %+.2f]\n",
eye_location.x, eye_location.y, eye_location.z,
eye_direction.x, eye_direction.y, eye_direction.z);
vh.fbprintf
("Light location: [%5.1f, %5.1f, %5.1f]\n",
light_location.x, light_location.y, light_location.z);
pVariable_Control_Elt* const cvar = variable_control.current;
vh.fbprintf("VAR %s = %.5f (TAB or '`' to change, +/- to adjust)\n",
cvar->name,cvar->get_val());
transform.eye_from_global_set
( pMatrix_Rotation(eye_direction,pVect(0,0,-1))
* pMatrix_Translate(-eye_location) );
const int win_width = vh.s_extent.width;
const int win_height = vh.s_extent.height;
const float aspect = float(win_width) / win_height;
const float n_dist = 0.01;
const float xr = .8 * n_dist;
transform.clip_from_eye_set
( pMatrix_Frustum( -xr, xr, -xr/aspect, xr/aspect, n_dist, 5000 ) );
uni_light_simple->color = color_white * opt_light_intensity;
uni_light_simple->position = transform.eye_from_global * light_location;
uni_light_simple.to_dev();
if ( !pipe_plain )
pipe_plain
.init( vh.qs )
.ds_follow( transform )
.ds_uniform_use( "BIND_LIGHT_SIMPLE", uni_light_simple )
.shader_inputs_info_set<pCoor,pNorm,pColor>()
.shader_code_set
("demo-03-shdr-code.cc", "vs_main();", nullptr, "fs_main();")
.topology_set( vk::PrimitiveTopology::eTriangleList )
.create();
bset_plain.reset(pipe_plain);
pCoor p0 = { 0, 0, 0 };
pCoor p1 = { 9, 6, -9 };
pCoor p2 = { 0, 5, -5 };
pNorm tri_norm = cross( p0, p1, p2 );
pColor color_tri( .2, .900, .1 );
bset_plain << p0 << p1 << p2;
bset_plain << color_tri << color_red << color_blue;
bset_plain << tri_norm << tri_norm << tri_norm;
bset_plain << pCoor(-2,0,-2) << pCoor(-4,2,-2) << pCoor(-4,0,-2);
bset_plain << color_red << color_red << color_red;
bset_plain << pCoor(-2,0,-2) << pCoor(-2,2,-2) << pCoor(-4,2,-2);
bset_plain << color_green << color_green << color_green;
pNorm snorm = cross( pCoor(-4,0,-2), pCoor(-4,2,-2), pCoor(-2,0,-2) );
bset_plain << snorm << snorm << snorm << snorm << snorm << snorm;
bset_plain.to_dev();
pipe_plain.record_draw(cb, bset_plain);
shapes.record_tetrahedron(cb,transform,light_location,0.2);
}
void
World::keyboard_handle()
{
const int key = vh.keyboard_key_get();
if ( !key ) return;
pVect adjustment(0,0,0);
pVect user_rot_axis(0,0,0);
const bool kb_mod_s = vh.keyboard_shift;
const bool kb_mod_c = vh.keyboard_control;
const float move_amt = kb_mod_s ? 2.0 : kb_mod_c ? 0.08 : 0.4;
switch ( key ) {
case FB_KEY_LEFT: adjustment.x = -move_amt; break;
case FB_KEY_RIGHT: adjustment.x = move_amt; break;
case FB_KEY_PAGE_UP: adjustment.y = move_amt; break;
case FB_KEY_PAGE_DOWN: adjustment.y = -move_amt; break;
case FB_KEY_DOWN: adjustment.z = move_amt; break;
case FB_KEY_UP: adjustment.z = -move_amt; break;
case FB_KEY_DELETE: user_rot_axis.y = 1; break;
case FB_KEY_INSERT: user_rot_axis.y = -1; break;
case FB_KEY_HOME: user_rot_axis.x = 1; break;
case FB_KEY_END: user_rot_axis.x = -1; break;
case 'b': case 'B': opt_move_item = MI_Ball; break;
case 'e': case 'E': opt_move_item = MI_Eye; break;
case 'l': case 'L': opt_move_item = MI_Light; break;
case FB_KEY_TAB:
if ( !kb_mod_s ) { variable_control.switch_var_right(); break; }
case 96: variable_control.switch_var_left(); break;
case '-':case '_': variable_control.adjust_lower(); break;
case '+':case '=': variable_control.adjust_higher(); break;
default: printf("Unknown key, %d\n",key); break;
}
if ( user_rot_axis.x || user_rot_axis.y )
{
pMatrix_Rotation rotall(eye_direction,pVect(0,0,-1));
user_rot_axis *= invert(rotall);
eye_direction *= pMatrix_Rotation(user_rot_axis, M_PI * 0.03);
}
if ( adjustment.x || adjustment.y || adjustment.z )
{
const double angle =
fabs(eye_direction.y) > 0.99
? 0 : atan2(eye_direction.x,-eye_direction.z);
pMatrix_Rotation rotall(pVect(0,1,0),-angle);
adjustment *= rotall;
switch ( opt_move_item ){
case MI_Light: light_location += adjustment; break;
case MI_Eye: eye_location += adjustment; break;
default: break;
}
}
}
int
main(int argv, char **argc)
{
pVulkan_Helper pvulkan_helper(argv,argc);
World world(pvulkan_helper);
world.setup_and_run();
return 0;
}