350 lines
9.6 KiB
C
350 lines
9.6 KiB
C
/*
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canvas.c
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Integration of 2d and 3d objects
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Copyright (C) 2022 Bill Currie
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Author: Bill Currie <bill@taniwha.org>
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Date: 2022/12/12
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include "QF/ui/canvas.h"
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#include "QF/ui/text.h"
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#include "QF/ui/view.h"
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#include "QF/plugin/vid_render.h"
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#define canvas_rangeid(c) \
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static uint32_t \
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canvas_##c##_rangeid (ecs_registry_t *reg, uint32_t ent, uint32_t comp) \
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{ \
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comp += canvas_canvas - canvas_##c; \
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canvas_t *canvas = Ent_GetComponent (ent, comp, reg); \
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return canvas->range[canvas_##c]; \
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}
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canvas_rangeid(update)
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canvas_rangeid(updateonce)
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canvas_rangeid(tile)
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canvas_rangeid(pic)
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canvas_rangeid(subpic)
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canvas_rangeid(cachepic)
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canvas_rangeid(fill)
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canvas_rangeid(charbuff)
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canvas_rangeid(func)
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canvas_rangeid(outline)
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#undef canvas_rangeid
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static void
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canvas_canvas_destroy (void *_canvas)
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{
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}
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const component_t canvas_components[canvas_comp_count] = {
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[canvas_update] = {
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.size = sizeof (canvas_update_f),
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.name = "update",
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.rangeid = canvas_update_rangeid,
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},
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[canvas_updateonce] = {
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.size = sizeof (canvas_update_f),
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.name = "updateonce",
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.rangeid = canvas_updateonce_rangeid,
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},
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[canvas_tile] = {
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.size = sizeof (byte),
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.name = "pic",
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.rangeid = canvas_tile_rangeid,
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},
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[canvas_pic] = {
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.size = sizeof (qpic_t *),
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.name = "pic",
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.rangeid = canvas_pic_rangeid,
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},
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[canvas_subpic] = {
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.size = sizeof (canvas_subpic_t),
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.name = "subpic",
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.rangeid = canvas_subpic_rangeid,
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},
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[canvas_cachepic] = {
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.size = sizeof (const char *),
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.name = "cachepic",
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.rangeid = canvas_cachepic_rangeid,
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},
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[canvas_fill] = {
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.size = sizeof (byte),
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.name = "fill",
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.rangeid = canvas_fill_rangeid,
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},
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[canvas_charbuff] = {
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.size = sizeof (draw_charbuffer_t *),
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.name = "charbuffer",
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.rangeid = canvas_charbuff_rangeid,
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},
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[canvas_func] = {
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.size = sizeof (canvas_func_f),
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.name = "func",
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.rangeid = canvas_func_rangeid,
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},
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[canvas_outline] = {
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.size = sizeof (byte),
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.name = "outline",
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.rangeid = canvas_outline_rangeid,
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},
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[canvas_canvas] = {
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.size = sizeof (canvas_t),
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.name = "canvas",
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.destroy = canvas_canvas_destroy,
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},
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};
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typedef void (*canvas_sysfunc_f) (canvas_system_t *canvas_sys,
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ecs_pool_t *pool, ecs_range_t range);
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static void
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draw_update (canvas_system_t *canvas_sys, ecs_pool_t *pool, ecs_range_t range)
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{
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ecs_system_t viewsys = { canvas_sys->reg, canvas_sys->view_base };
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uint32_t count = range.end - range.start;
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uint32_t *ent = pool->dense;
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__auto_type func = (canvas_update_f *) pool->data + range.start;
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while (count-- > 0) {
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(*func++) (View_FromEntity (viewsys, *ent++));
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}
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}
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static void
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draw_updateonce (canvas_system_t *canvas_sys, ecs_pool_t *pool,
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ecs_range_t range)
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{
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draw_update (canvas_sys, pool, range);
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pool->count = 0;//XXX FIXME hmm, what to do with ranges
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}
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static void
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draw_tile_views (canvas_system_t *canvas_sys, ecs_pool_t *pool,
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ecs_range_t range)
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{
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ecs_system_t viewsys = { canvas_sys->reg, canvas_sys->view_base };
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uint32_t count = range.end - range.start;
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uint32_t *ent = pool->dense;
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while (count-- > 0) {
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view_t view = View_FromEntity (viewsys, *ent++);
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if (View_GetVisible (view)) {
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view_pos_t pos = View_GetAbs (view);
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view_pos_t len = View_GetLen (view);
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r_funcs->Draw_TileClear (pos.x, pos.y, len.x, len.y);
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}
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}
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}
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static void
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draw_pic_views (canvas_system_t *canvas_sys, ecs_pool_t *pool,
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ecs_range_t range)
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{
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ecs_system_t viewsys = { canvas_sys->reg, canvas_sys->view_base };
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uint32_t count = range.end - range.start;
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uint32_t *ent = pool->dense;
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__auto_type pic = (qpic_t **) pool->data + range.start;
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while (count-- > 0) {
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view_t view = View_FromEntity (viewsys, *ent++);
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if (View_GetVisible (view)) {
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view_pos_t pos = View_GetAbs (view);
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r_funcs->Draw_Pic (pos.x, pos.y, *pic);
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}
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pic++;
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}
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}
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static void
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draw_subpic_views (canvas_system_t *canvas_sys, ecs_pool_t *pool,
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ecs_range_t range)
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{
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ecs_system_t viewsys = { canvas_sys->reg, canvas_sys->view_base };
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uint32_t count = range.end - range.start;
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uint32_t *ent = pool->dense;
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__auto_type subpic = (canvas_subpic_t *) pool->data + range.start;
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while (count-- > 0) {
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view_t view = View_FromEntity (viewsys, *ent++);
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if (View_GetVisible (view)) {
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view_pos_t pos = View_GetAbs (view);
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r_funcs->Draw_SubPic (pos.x, pos.y, subpic->pic,
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subpic->x, subpic->y, subpic->w, subpic->h);
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}
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subpic++;
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}
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}
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static void
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draw_cachepic_views (canvas_system_t *canvas_sys, ecs_pool_t *pool,
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ecs_range_t range)
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{
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ecs_system_t viewsys = { canvas_sys->reg, canvas_sys->view_base };
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uint32_t count = range.end - range.start;
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uint32_t *ent = pool->dense;
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__auto_type name = (const char **) pool->data + range.start;
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while (count-- > 0) {
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view_t view = View_FromEntity (viewsys, *ent++);
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if (View_GetVisible (view)) {
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view_pos_t pos = View_GetAbs (view);
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qpic_t *pic = r_funcs->Draw_CachePic (*name, 1);
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r_funcs->Draw_Pic (pos.x, pos.y, pic);
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}
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name++;
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}
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}
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static void
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draw_fill_views (canvas_system_t *canvas_sys, ecs_pool_t *pool,
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ecs_range_t range)
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{
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ecs_system_t viewsys = { canvas_sys->reg, canvas_sys->view_base };
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uint32_t count = range.end - range.start;
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uint32_t *ent = pool->dense;
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__auto_type fill = (byte *) pool->data + range.start;
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while (count-- > 0) {
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view_t view = View_FromEntity (viewsys, *ent++);
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if (View_GetVisible (view)) {
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view_pos_t pos = View_GetAbs (view);
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view_pos_t len = View_GetLen (view);
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r_funcs->Draw_Fill (pos.x, pos.y, len.x, len.y, *fill);
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}
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fill++;
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}
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}
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static void
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draw_charbuff_views (canvas_system_t *canvas_sys, ecs_pool_t *pool,
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ecs_range_t range)
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{
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ecs_system_t viewsys = { canvas_sys->reg, canvas_sys->view_base };
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uint32_t count = range.end - range.start;
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uint32_t *ent = pool->dense;
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__auto_type charbuff = (draw_charbuffer_t **) pool->data + range.start;
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while (count-- > 0) {
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view_t view = View_FromEntity (viewsys, *ent++);
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if (View_GetVisible (view)) {
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view_pos_t pos = View_GetAbs (view);
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r_funcs->Draw_CharBuffer (pos.x, pos.y, *charbuff);
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}
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charbuff++;
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}
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}
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static void
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draw_func_views (canvas_system_t *canvas_sys, ecs_pool_t *pool,
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ecs_range_t range)
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{
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ecs_system_t viewsys = { canvas_sys->reg, canvas_sys->view_base };
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uint32_t count = range.end - range.start;
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uint32_t *ent = pool->dense;
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__auto_type func = (canvas_func_f *) pool->data + range.start;
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while (count-- > 0) {
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view_t view = View_FromEntity (viewsys, *ent++);
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if (View_GetVisible (view)) {
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view_pos_t pos = View_GetAbs (view);
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view_pos_t len = View_GetLen (view);
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(*func) (pos, len);
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}
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func++;
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}
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}
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static void
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draw_outline_views (canvas_system_t *canvas_sys, ecs_pool_t *pool,
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ecs_range_t range)
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{
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ecs_system_t viewsys = { canvas_sys->reg, canvas_sys->view_base };
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uint32_t count = range.end - range.start;
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uint32_t *ent = pool->dense;
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__auto_type col = (byte *) pool->data + range.start;
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__auto_type line = r_funcs->Draw_Line;
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while (count-- > 0) {
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view_t view = View_FromEntity (viewsys, *ent++);
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byte c = *col++;
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if (View_GetVisible (view)) {
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view_pos_t p = View_GetAbs (view);
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view_pos_t l = View_GetLen (view);
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view_pos_t q = { p.x + l.x - 1, p.y + l.y - 1 };
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line (p.x, p.y, q.x, p.y, c);
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line (p.x, q.y, q.x, q.y, c);
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line (p.x, p.y, p.x, q.y, c);
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line (q.x, p.y, q.x, q.y, c);
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}
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}
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}
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void
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Canvas_Draw (canvas_system_t canvas_sys)
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{
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static canvas_sysfunc_f draw_func[canvas_comp_count] = {
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[canvas_update] = draw_update,
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[canvas_updateonce] = draw_updateonce,
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[canvas_tile] = draw_tile_views,
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[canvas_pic] = draw_pic_views,
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[canvas_subpic] = draw_subpic_views,
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[canvas_cachepic] = draw_cachepic_views,
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[canvas_fill] = draw_fill_views,
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[canvas_charbuff] = draw_charbuff_views,
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[canvas_func] = draw_func_views,
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[canvas_outline] = draw_outline_views,
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};
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uint32_t comp = canvas_sys.base + canvas_canvas;
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ecs_pool_t *pool = &canvas_sys.reg->comp_pools[comp];
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uint32_t count = pool->count;
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//uint32_t *entities = pool->dense;
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__auto_type canvases = (canvas_t *) pool->data;
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while (count-- > 0) {
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canvas_t *canvas = canvases++;
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//uint32_t ent = *entities++;
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for (int i = 0; i < canvas_comp_count; i++) {
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uint32_t c = canvas_sys.base + i;
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uint32_t rid = canvas->range[i];
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ecs_range_t range = ECS_GetSubpoolRange (canvas_sys.reg, c, rid);
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if (draw_func[i]) {
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ecs_pool_t *pool = &canvas_sys.reg->comp_pools[c];
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draw_func[i] (&canvas_sys, pool, range);
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}
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}
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}
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}
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void
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Canvas_AddToEntity (canvas_system_t canvas_sys, uint32_t ent)
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{
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canvas_t canvas = { };
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for (uint32_t i = 0; i < canvas_comp_count; i++) {
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canvas.range[i] = ECS_NewSubpoolRange (canvas_sys.reg,
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canvas_sys.base + i);
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}
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Ent_SetComponent (ent, canvas_sys.base + canvas_canvas, canvas_sys.reg,
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&canvas);
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View_AddToEntity (ent,
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(ecs_system_t) { canvas_sys.reg, canvas_sys.view_base },
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nullview);
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}
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