From: Lukas Krickl <lukas@krickl.dev>
Date: Wed, 2 Apr 2025 07:40:30 +0000 (+0200)
Subject: cells: Added basic setup for cell templates
X-Git-Url: https://git.krickl.dev/?a=commitdiff_plain;h=3f529d410d42d4607d79119a21ee7ab6be139986;p=gbrg%2F.git

cells: Added basic setup for cell templates

This allows updating cells
---

diff --git a/src/buildings.s b/src/buildings.s
index bd117e1..c601cbd 100644
--- a/src/buildings.s
+++ b/src/buildings.s
@@ -23,3 +23,4 @@ build_farm:
 build_lumber:
   ldnull bc
   ret
+
diff --git a/src/cells.s b/src/cells.s
new file mode 100644
index 0000000..31f0c6d
--- /dev/null
+++ b/src/cells.s
@@ -0,0 +1,8 @@
+
+  ; default road update state
+cell_road_head:
+  ldnull bc
+  ret
+
+cell_template_road:
+  c_def C_ROAD, cell_road_head, 0, 0
diff --git a/src/defs.s b/src/defs.s
index 8f9f21a..05706ff 100644
--- a/src/defs.s
+++ b/src/defs.s
@@ -30,6 +30,10 @@
   ; a warehouse is always connected
 .de CF_CONNECTED, 1
 
+  ; cell types 
+.se 0
+.de C_ROAD, 1
+
   ; game state cell struct 
   ; this holds all the information 
   ; a cell on the map has 
diff --git a/src/macros.inc b/src/macros.inc
index 12d26ac..4f42bbb 100644
--- a/src/macros.inc
+++ b/src/macros.inc
@@ -126,6 +126,19 @@
   dw $3
 #endmacro
 
+  ; defines a new cell template
+  ; inputs:
+  ;   $1: c_type
+  ;   $2: c_st_routine
+  ;   $3: c_flags
+  ;   $4: c_head_offset
+#macro c_def
+  .db $1
+  dw $2
+  .db $3
+  .db $4
+#endmacro
+
   ; loads NULL into a 16 bit register
   ; inputs:
   ;   $1: register
diff --git a/src/main.s b/src/main.s
index 67da840..c441af6 100644
--- a/src/main.s
+++ b/src/main.s
@@ -65,6 +65,7 @@ main:
 #include "map.s"
 #include "simulation.s"
 #include "state.s"
+#include "cells.s"
 #include "buildings.s"
 #include "tiles.inc"