mirror of
https://github.com/Cesarus85/ringfall-mjolnir-vr.git
synced 2026-10-23 09:00:24 +02:00
360 lines
7.6 KiB
C
360 lines
7.6 KiB
C
/*
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FLAGS.C
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symbols in this file:
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00121090 00b0:
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_flag_datum_get_vertex (0000)
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00121140 00c0:
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_flag_datum_get_cell (0000)
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00121200 0030:
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_flags_initialize (0000)
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00121230 0010:
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_flags_initialize_for_new_map (0000)
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00121240 0010:
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_flags_dispose_from_old_map (0000)
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00121250 0020:
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_flags_dispose (0000)
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00121270 0120:
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_flag_tesselate_region (0000)
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00121390 0020:
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_flag_delete (0000)
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001213B0 02a0:
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_flag_update_attachment (0000)
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00121650 00d0:
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_flag_set_attachment_shape (0000)
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00121720 00f0:
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_flag_set_trailing_shape (0000)
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00121810 04a0:
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_flag_update (0000)
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00121CB0 0840:
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_flag_render_proper (0000)
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001224F0 0180:
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_flag_new (0000)
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00122670 0080:
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_flag_render (0000)
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001226F0 00a0:
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_flags_update (0000)
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00288F18 001d:
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??_C@_0BN@NBECLHNE@y?$DO?$DN0?5?$CG?$CG?5y?$DMdefinition?9?$DOheight?$AA@ (0000)
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00288F38 001c:
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??_C@_0BM@BBBAMOGB@x?$DO?$DN0?5?$CG?$CG?5x?$DMdefinition?9?$DOwidth?$AA@ (0000)
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00288F54 0013:
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??_C@_0BD@JPECIJNC@flag?5?$CG?$CG?5definition?$AA@ (0000)
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00288F68 0027:
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??_C@_0CH@MIJJCHGH@c?3?2halo?2SOURCE?2objects?2widgets?2f@ (0000)
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00288F90 001f:
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??_C@_0BP@EGJJCFHH@y?$DO?$DN0?5?$CG?$CG?5y?$DMdefinition?9?$DOheight?91?$AA@ (0000)
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00288FB0 001e:
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??_C@_0BO@PGPCHGEA@x?$DO?$DN0?5?$CG?$CG?5x?$DMdefinition?9?$DOwidth?91?$AA@ (0000)
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00288FD0 001f:
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??_C@_0BP@CFMNJLHE@couldn?8t?5allocate?5flag?5globals?$AA@ (0000)
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00288FF0 0005:
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??_C@_04DNPGJOMD@flag?$AA@ (0000)
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00288FF8 0004:
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__real@3927c5ac (0000)
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00288FFC 0004:
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__real@39d1b717 (0000)
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00289000 0014:
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??_C@_0BE@KKEACJGN@i?$DMmaximum_triangles?$AA@ (0000)
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*/
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/* ---------- headers */
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#include "objects/widgets/flags.h"
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#include "cseries/cseries.h"
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#include "cseries/errors.h"
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#include "memory/data.h"
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#include "objects/objects.h"
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#include "saved games/game_state.h"
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#include "tag_files/tag_groups.h"
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/* ---------- constants */
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enum trailing_edge_shape
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{
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_trailing_edge_shape_flat,
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_trailing_edge_shape_concave_triangular,
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_trailing_edge_shape_convex_triangular,
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_trailing_edge_shape_trapezoid_short_top,
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_trailing_edge_shape_trapezoid_short_bottom
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};
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enum tesselate
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{
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_tesselate_top_left = 2,
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_tesselate_bottom_left = 3
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};
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/* ---------- macros */
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/* ---------- structures */
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struct flag_datum_prefix
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{
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struct datum_header header;
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boolean noop;
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boolean initialized;
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boolean update_state;
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byte pad5;
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short updates_since_last_render;
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long object_index;
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long definition_index;
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real_point3d first_attachment;
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struct flag_vertex_datum
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{
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real_point3d position;
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real_vector3d velocity;
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} vertices[225];
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struct flag_cell_datum
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{
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short tesselation;
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} cells[196];
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};
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struct flag_definition
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{
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unsigned long flags;
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short trailing_edge_shape;
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short trailing_edge_offset;
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short attached_edge_shape;
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short padA;
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short width;
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short height;
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};
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/* ---------- prototypes */
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void flag_update(
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struct flag_datum_prefix *flag,
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struct flag_definition *definition,
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real delta);
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void flag_render_proper(
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struct flag_datum_prefix *flag,
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struct flag_definition *definition,
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struct render_lighting const *lighting,
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struct render_animation const *animation);
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struct flag_vertex_datum *flag_datum_get_vertex(
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struct flag_datum_prefix *flag,
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struct flag_definition *definition,
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short x,
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short y);
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struct flag_cell_datum *flag_datum_get_cell(
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struct flag_datum_prefix *flag,
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struct flag_definition *definition,
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short x,
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short y);
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void flag_tesselate_region(
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struct flag_definition *definition,
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struct flag_datum_prefix *flag,
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short x,
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short y,
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short size,
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short tesselation);
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/* ---------- globals */
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struct data_array *flag_data;
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/* ---------- public code */
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void flags_initialize(
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void)
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{
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flag_data = game_state_data_new("flag", 2, 0x16BC);
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if (!flag_data)
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error(_error_immediate, "couldn't allocate flag globals");
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return;
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}
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void flags_initialize_for_new_map(
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void)
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{
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data_make_valid(flag_data);
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return;
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}
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void flags_dispose_from_old_map(
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void)
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{
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data_make_invalid(flag_data);
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return;
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}
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void flags_dispose(
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void)
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{
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if (flag_data)
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flag_data = NULL;
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return;
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}
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void flag_delete(
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long flag_index)
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{
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datum_delete(flag_data, flag_index);
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return;
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}
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void flags_update(
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real delta)
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{
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long flag_index;
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for (flag_index = data_next_index(flag_data, NONE);
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flag_index != NONE;
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flag_index = data_next_index(flag_data, flag_index))
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{
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struct flag_datum_prefix *flag = datum_get(flag_data, flag_index);
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struct flag_definition *definition = tag_get('flag', flag->definition_index);
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flag->updates_since_last_render++;
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if (flag->object_index != NONE &&
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flag->updates_since_last_render < 5 &&
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delta != 0.0f)
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{
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flag_update(flag, definition, delta);
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}
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}
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return;
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}
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void flag_render(
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long object_index,
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long flag_index,
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struct render_lighting const *lighting,
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struct render_animation const *animation)
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{
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struct flag_datum_prefix *flag;
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struct flag_definition *definition;
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object_get(object_index);
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flag = datum_get(flag_data, flag_index);
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definition = tag_get('flag', flag->definition_index);
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flag->object_index = object_index;
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if (flag->updates_since_last_render > 5 || !flag->initialized)
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{
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flag_update(flag, definition, 5.0f);
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flag->initialized = TRUE;
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}
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flag->updates_since_last_render = 0;
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if (!flag->noop)
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flag_render_proper(flag, definition, lighting, animation);
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return;
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}
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/* ---------- private code */
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struct flag_vertex_datum *flag_datum_get_vertex(
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struct flag_datum_prefix *flag,
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struct flag_definition *definition,
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short x,
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short y)
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{
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match_assert(
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"c:\\halo\\SOURCE\\objects\\widgets\\flags.c",
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96,
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flag && definition);
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match_assert(
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"c:\\halo\\SOURCE\\objects\\widgets\\flags.c",
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97,
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x>=0 && x<definition->width);
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match_assert(
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"c:\\halo\\SOURCE\\objects\\widgets\\flags.c",
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98,
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y>=0 && y<definition->height);
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return &flag->vertices[x * definition->height + y];
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}
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struct flag_cell_datum *flag_datum_get_cell(
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struct flag_datum_prefix *flag,
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struct flag_definition *definition,
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short x,
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short y)
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{
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match_assert(
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"c:\\halo\\SOURCE\\objects\\widgets\\flags.c",
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109,
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flag && definition);
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match_assert(
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"c:\\halo\\SOURCE\\objects\\widgets\\flags.c",
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110,
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x>=0 && x<definition->width-1);
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match_assert(
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"c:\\halo\\SOURCE\\objects\\widgets\\flags.c",
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111,
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y>=0 && y<definition->height-1);
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return &flag->cells[x * (definition->height - 1) + y];
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}
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void flag_set_trailing_shape(
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struct flag_definition *definition,
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struct flag_datum_prefix *flag)
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{
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short trailing_edge_shape;
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short split;
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short x;
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trailing_edge_shape = definition->trailing_edge_shape;
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if (trailing_edge_shape == _trailing_edge_shape_flat)
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return;
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if (trailing_edge_shape == _trailing_edge_shape_trapezoid_short_top ||
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trailing_edge_shape == _trailing_edge_shape_trapezoid_short_bottom)
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{
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split = definition->height - 1;
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}
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else
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{
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split = definition->height >> 1;
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}
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x = MAX(
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0,
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definition->width + definition->trailing_edge_offset - split - 1);
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if (trailing_edge_shape == _trailing_edge_shape_trapezoid_short_top)
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{
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flag_tesselate_region(
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definition, flag, x, 0, split, _tesselate_bottom_left);
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return;
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}
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if (trailing_edge_shape == _trailing_edge_shape_trapezoid_short_bottom)
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{
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flag_tesselate_region(
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definition, flag, x, 0, split, _tesselate_top_left);
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return;
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}
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if (trailing_edge_shape == _trailing_edge_shape_concave_triangular)
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{
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flag_tesselate_region(
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definition, flag, x, 0, split, _tesselate_top_left);
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flag_tesselate_region(
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definition, flag, x, split, split, _tesselate_bottom_left);
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return;
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}
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if (trailing_edge_shape == _trailing_edge_shape_convex_triangular)
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{
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flag_tesselate_region(
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definition, flag, x, 0, split, _tesselate_bottom_left);
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flag_tesselate_region(
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definition, flag, x, split, split, _tesselate_top_left);
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}
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return;
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}
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